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魏晋时期发明的冶炼技术是( )。
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魏晋南北朝时期的手工业技术有所进步下列各项能反映这一特点的是①吴培育出八辈之蚕蜀盛产蜀锦②发明和推广
①②③
②③④
①②④
①③④
文献记载钢铁是杂炼生生铁钅柔熟铁作刀镰者此文献提到的金属冶炼技术发明于
春秋战国时期
两汉时期
魏晋南北朝时期
隋唐时期
一带一路是我国新时期经济发展的重要战略．我国古代就经一带一路将发明和技术传送到国外这些发明和技术中
谷物酿酒
纺纱织布
烧制瓷器
冶炼青铜
我国发明生铁冶炼技术是在
西周时期
春秋后期
战国前期
战国后期
文献记载钢铁是杂炼生生铁鍒熟铁为刀镰者此文献提到的金属冶炼技术发明于
商周时期
春秋战国时期
两汉时期
魏晋南北朝时期
魏晋至南北朝时期手工业技术有所进步其中包括①吴国培育出八辈之蚕②北魏相州善制军刀③发明灌钢法炼钢④已
①②③④
①②③
②③
①④
两汉时期出现了许多提高生产效率的科技发明其中与冶炼有关的发明是
耧车
水排
二牛抬杠
提花机
魏晋南北朝时期的手工业技术有所进步下列各项能反映这一特点的是①吴培养出八辈之蚕蜀盛产蜀锦②发明和推广
①②③
②③④
①②④
①③④
文献记载钢铁是杂炼生生铁缫熟铁为刀镰者此文献提到的金属冶炼技术发明于
春秋战国时期
两汉时期
魏晋南北朝时期
隋唐时期
我国发明生铁冶炼技术是在
商朝
春秋后期
西周
战国初期
两汉时期出现了许多提高生产效率的科技发明其中与冶炼有关的发明是
耧车
二牛抬杠
水排
提花机
下列说法中全部与史实不符合的是①魏晋时期发明的冶炼技术是灌钢法②北魏孝文帝改革之前地方行政的基层政权
①②⑤
①②③
③④
②③④⑤
魏晋南北朝时期我国南北方经济各具特点魏晋南北朝时期的手工业技术有所进步表现在①吴培育出八辈之蚕蜀盛产
①②③
②③④
①②④
①③④
大变革时期标志社会生产力显著提高的是
铁农具在农业、手工业生产上的使用
铁农具代替了铜、石等农具
铁器和牛耕的普遍使用
发明生铁冶炼技术
两汉时期钢铁冶炼技术处于世界领先地位其中不包括
用煤作冶铁燃料
杜诗发明“水排”，鼓风冶铁
发明炒钢法
用木炭作燃料冶铁
我国灌钢法的发明是在
战国时期
秦汉时期
魏晋南北朝时期
隋唐时期
2.文献记载钢铁是杂炼生生铁鍒熟铁为刀镰者此文献提到的金属冶炼技术发明于
春秋战国时期
两汉时期
魏晋南北朝时期
隋唐时期
文献记载钢铁是杂炼生生铁鍒熟铁作刀镰者此文献提到的金属冶炼技术发明于
春秋战国时期
两汉时期
魏晋南北朝时期
隋唐时期
东汉时期荆州南阳太守杜诗发明了用水排鼓风冶炼铜铁的技术
文献记载钢铁是杂炼生生铁鍒熟铁为刀镰者此文献提到的金属冶炼技术发明于
春秋战国时期
两汉时期
魏晋南北朝时期
隋唐时期
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Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Justiceinsocietymustincludebothafairtrialtotheaccusedandtheselectionofanappropriatepunishmentforthoseprovenguilty.Becausejusticeisregardedasoneformofequalitywefindinitsearlierexpressionstheideaofapunishmentequaltothecrime.RecordedintheBibleistheexpressionaneyeforaneyeandatoothforatooth.Thatistheindividualwhohasdonewronghascommittedanoffenseagainstsociety.46Tomakerepaymentforthisoffensesocietymustgetequallybalancedwhichcanbedoneonlyimposinganequalinjuryuponhim.47Thisconceptionofdeserved-punishmentjusticeisreflectedinmanypartsofthelegalcodesandproceduresofmoderntimeswhichisillustratedwhenwedemandthedeathpenaltyforapersonwhohascommittedmurder.ThisphilosophyofpunishmentwassupportedbytheGermanidealistHegelwhobelievedthatsocietyowedittothecriminaltoputintooperationapunishmentequaltothecrimehehadcommitted.48Thecriminalhadbyhisownactionsdeniedhistrueselfanditisnecessarytodosomethingthatwilleliminatethisdenialandrestoretheselfthathasbeendenied.Tothemurderernothinglessthangivinguphisownlifewillpayhisdebt.Thedemandforthedeathpenaltyisarightthestateowesthecriminalanditshouldnotdenyhimwhathedeserves. Modernjuristshavetriedtoreplacedeserved-punishmentjusticewiththenotionofcorrectivejustice.Theaimofthelatterisnottoabandontheconceptofequalitybuttofindamoreadequatewaytoexpressit.Ittriestopreservetheideaofequalopportunityforeachindividualtorealizethebestthatisinhim.49Thecriminalisregardedasbeingsociallyillandinneedoftreatmentthatwillenablehimtobecomeanormalmemberofsociety.Beforeatreatmentcanbeputintooperationthecauseofhisantisocialbehaviormustbefound.Ifthecausecanberemovedprovisionsmustbemadetohavethisdone.Onlythosecriminalswhoareincurableshouldbepermanentlyseparatedfromtherestofsociety.Thisdoesnotmeanthatcriminalswillescapepunishmentorbequicklyreturnedtotakeupcareersofcrime.Itmeansthatjusticeistohealtheindividualnotsimplytogetevenwithhim.Ifseverepunishmentistheonlyadequatemeansforaccomplishingthisitshouldbeadministered.50Howevertheindividualshouldbegiveneveryopportunitytoassumeanormalplaceinsocietyandhisconvictionofcrimemustnotdeprivehimoftheopportunitytomakehiswayinthesocietyofwhichheisapart. Justiceinsocietymustincludebothafairtrialtotheaccusedandtheselectionofanappropriatepunishmentforthoseprovenguilty.Becausejusticeisregardedasoneformofequalitywefindinitsearlierexpressionstheideaofapunishmentequaltothecrime.RecordedintheBibleistheexpressionaneyeforaneyeandatoothforatooth.Thatistheindividualwhohasdonewronghascommittedanoffenseagainstsociety.46Tomakerepaymentforthisoffensesocietymustgetequallybalancedwhichcanbedoneonlyimposinganequalinjuryuponhim.47Thisconceptionofdeserved-punishmentjusticeisreflectedinmanypartsofthelegalcodesandproceduresofmoderntimeswhichisillustratedwhenwedemandthedeathpenaltyforapersonwhohascommittedmurder.ThisphilosophyofpunishmentwassupportedbytheGermanidealistHegelwhobelievedthatsocietyowedittothecriminaltoputintooperationapunishmentequaltothecrimehehadcommitted.48Thecriminalhadbyhisownactionsdeniedhistrueselfanditisnecessarytodosomethingthatwilleliminatethisdenialandrestoretheselfthathasbeendenied.Tothemurderernothinglessthangivinguphisownlifewillpayhisdebt.Thedemandforthedeathpenaltyisarightthestateowesthecriminalanditshouldnotdenyhimwhathedeserves. Modernjuristshavetriedtoreplacedeserved-punishmentjusticewiththenotionofcorrectivejustice.Theaimofthelatterisnottoabandontheconceptofequalitybuttofindamoreadequatewaytoexpressit.Ittriestopreservetheideaofequalopportunityforeachindividualtorealizethebestthatisinhim.49Thecriminalisregardedasbeingsociallyillandinneedoftreatmentthatwillenablehimtobecomeanormalmemberofsociety.Beforeatreatmentcanbeputintooperationthecauseofhisantisocialbehaviormustbefound.Ifthecausecanberemovedprovisionsmustbemadetohavethisdone.Onlythosecriminalswhoareincurableshouldbepermanentlyseparatedfromtherestofsociety.Thisdoesnotmeanthatcriminalswillescapepunishmentorbequicklyreturnedtotakeupcareersofcrime.Itmeansthatjusticeistohealtheindividualnotsimplytogetevenwithhim.Ifseverepunishmentistheonlyadequatemeansforaccomplishingthisitshouldbeadministered.50Howevertheindividualshouldbegiveneveryopportunitytoassumeanormalplaceinsocietyandhisconvictionofcrimemustnotdeprivehimoftheopportunitytomakehiswayinthesocietyofwhichheisapart.
Doyourememberallthoseyearswhenscientistsarguedthatsmokingwouldkillusbutthedoubtersinsistedthatwedidn’’tknowforsureThattheevidencewasinconclusivethescienceuncertainThattheantismokinglobbywasouttodestroyourwayoflifeandthegovernmentshouldstayoutofthewayLotsofAmericansboughtthatnonsenseandoverthreedecadessome10millionsmokerswenttoearlygraves. Thereareupsettingparallelstodayasscientistsinonewaveafteranothertrytoawakenustothegrowingthreatofglobalwarming.ThelatestwasapanelfromtheNationalAcademyofSciencesenlistedbytheWhiteHousetotellusthattheEarth’’satmosphereisdefinitelywarmingandthattheproblemislargelyman-made.Theclearmessageisthatweshouldgetmovingtoprotectourselves.ThepresidentoftheNationalAcademyBruceAlbertsaddedthiskeypointintheprefacetothepanel’’sreport:Scienceneverhasalltheanswers.Butsciencedoesprovideuswiththebestavailableguidetothefutureanditiscriticalthatournationandtheworldbaseimportantpoliciesonthebestjudgmentsthatsciencecanprovideconcerningthefutureconsequencesofpresentactions. Justasonsmokingvoicesnowcomefrommanyquartersinsistingthatthescienceaboutglobalwarmingisincompletethatit’’sOKtokeeppouringfumesintotheairuntilweknowforsure.Thisisadangerousgame:bythetime100percentoftheevidenceisinitmaybetoolate.Withtherisksobviousandgrowingaprudentpeoplewouldtakeoutaninsurancepolicynow. FortunatelytheWhiteHouseisstartingtopayattention.Butit’’sobviousthatamajorityofthepresident’’sadvisersstilldon’’ttakeglobalwarmingseriously.Insteadofaplanofactiontheycontinuetopressformoreresearch―aclassiccaseofparalysisbyanalysis. Toserveasresponsiblestewardsoftheplanetwemustpressforwardondeeperatmosphericandoceanicresearch.Butresearchaloneisinadequate.IftheAdministrationwon’’ttakethelegislativeinitiativeCongressshouldhelptobeginfashioningconservationmeasures.AbillbyDemocraticSenatorRobertByrdofWestVirginiawhichwouldofferfinancialincentivesforprivateindustryisapromisingstart.Manyseethatthecountryisgettingreadytobuildlotsofnewpowerplantstomeetourenergyneeds.Ifweareevergoingtoprotecttheatmosphereitiscrucialthatthosenewplantsbeenvironmentallysound. WhatdoestheauthormeanbyparalysisbyanalysisLastlineParagraph4
Wehavetorealisehowoldhowveryoldweare.Nationsareclassifiedasagedwhentheyhave7percentormoreoftheirpeopleaged65oraboveandbyabout1970everyoneoftheadvancedcountrieshadbecomelikethis.Ofthereallyancientsocietieswithover13percentabove65allareinNorthwesternEurope.Weknowthatwearegettingevenolderandthatthenearerasocietyapproximatestozeropopulationgrowththeolderitspopulationislikelytobe--atleastforanyfuturethatconcernsusnow. Tothesenowfamiliarfactsanumberoffurtherfactsmaybeaddedsomeofthemonlyrecentlyrecognised.Thereistheapparentparadoxthattheeffectivecauseofthehighproportionoftheoldisbirthsratherthandeaths.Thereistheeconomicprinciplethatthedependencyratio--thedegreetowhichthosewhocannotearndependforalivingonthosewhocan--ismoreadvantageousinoldersocietieslikeoursthanintheyoungersocietiesofthedevelopingworldbecauselotsofdependentbabiesaremoreofaliabilitythannumbersoftheinactiveaged.Thereistheappreciationofthehistoricaltruththattheagingofadvancedsocietieshasbeenasuddenchange. IfrevolutionisarapidresettlementofthesocialstructureandiftheagecompositionofthesocietycountsasaveryimportantaspectofthatsocialstructurethentherehasbeenasocialrevolutioninEuropeanandparticularlyWesternEuropeansocietywithinthelifetimeofeveryoneover50.Takentogetherthesethingshaveimplicationswhichareonlybeginningtobeacknowledged.ThesefactsandcircumstanceshadaleadingpositionataworldgatheringaboutagingasachallengetoscienceandtopolicyheldatVichyinFrance. ThereisoftenresistancetotheideathatitisbecausethebirthratefellearlierinWesternandNorthwesternEuropethanelsewhereratherthanbecauseofanychangeinthedeathratethatwehavegrownsoold.Longlifeisalteringoursocietyofcoursebutinexperientialterms.Wehaveamongusaverymuchgreaterexperienceofcontinuedlivingthananysocietythathaseverprecededusanywhereandthiswillcontinue.ButtoomuchofthatlengthenedexperienceeveninthewealthyWestwillbeexperienceofpovertyandneglectunlesswedosomethingaboutit. Ifyouareinyourthirtiesyououghttobeawarethatyoucanexpecttolivenearlyonethirdoftherestofyourlifeaftertheageof60.Theolderyouarenowofcoursethegreaterthisproportionwillbeandgreaterstillifyouareawoman. Oldersocietiesaresuperiortoyoungeronesinthat
Justiceinsocietymustincludebothafairtrialtotheaccusedandtheselectionofanappropriatepunishmentforthoseprovenguilty.Becausejusticeisregardedasoneformofequalitywefindinitsearlierexpressionstheideaofapunishmentequaltothecrime.RecordedintheBibleistheexpressionaneyeforaneyeandatoothforatooth.Thatistheindividualwhohasdonewronghascommittedanoffenseagainstsociety.46Tomakerepaymentforthisoffensesocietymustgetequallybalancedwhichcanbedoneonlyimposinganequalinjuryuponhim.47Thisconceptionofdeserved-punishmentjusticeisreflectedinmanypartsofthelegalcodesandproceduresofmoderntimeswhichisillustratedwhenwedemandthedeathpenaltyforapersonwhohascommittedmurder.ThisphilosophyofpunishmentwassupportedbytheGermanidealistHegelwhobelievedthatsocietyowedittothecriminaltoputintooperationapunishmentequaltothecrimehehadcommitted.48Thecriminalhadbyhisownactionsdeniedhistrueselfanditisnecessarytodosomethingthatwilleliminatethisdenialandrestoretheselfthathasbeendenied.Tothemurderernothinglessthangivinguphisownlifewillpayhisdebt.Thedemandforthedeathpenaltyisarightthestateowesthecriminalanditshouldnotdenyhimwhathedeserves. Modernjuristshavetriedtoreplacedeserved-punishmentjusticewiththenotionofcorrectivejustice.Theaimofthelatterisnottoabandontheconceptofequalitybuttofindamoreadequatewaytoexpressit.Ittriestopreservetheideaofequalopportunityforeachindividualtorealizethebestthatisinhim.49Thecriminalisregardedasbeingsociallyillandinneedoftreatmentthatwillenablehimtobecomeanormalmemberofsociety.Beforeatreatmentcanbeputintooperationthecauseofhisantisocialbehaviormustbefound.Ifthecausecanberemovedprovisionsmustbemadetohavethisdone.Onlythosecriminalswhoareincurableshouldbepermanentlyseparatedfromtherestofsociety.Thisdoesnotmeanthatcriminalswillescapepunishmentorbequicklyreturnedtotakeupcareersofcrime.Itmeansthatjusticeistohealtheindividualnotsimplytogetevenwithhim.Ifseverepunishmentistheonlyadequatemeansforaccomplishingthisitshouldbeadministered.50Howevertheindividualshouldbegiveneveryopportunitytoassumeanormalplaceinsocietyandhisconvictionofcrimemustnotdeprivehimoftheopportunitytomakehiswayinthesocietyofwhichheisapart.
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Doyourememberallthoseyearswhenscientistsarguedthatsmokingwouldkillusbutthedoubtersinsistedthatwedidn’’tknowforsureThattheevidencewasinconclusivethescienceuncertainThattheantismokinglobbywasouttodestroyourwayoflifeandthegovernmentshouldstayoutofthewayLotsofAmericansboughtthatnonsenseandoverthreedecadessome10millionsmokerswenttoearlygraves. Thereareupsettingparallelstodayasscientistsinonewaveafteranothertrytoawakenustothegrowingthreatofglobalwarming.ThelatestwasapanelfromtheNationalAcademyofSciencesenlistedbytheWhiteHousetotellusthattheEarth’’satmosphereisdefinitelywarmingandthattheproblemislargelyman-made.Theclearmessageisthatweshouldgetmovingtoprotectourselves.ThepresidentoftheNationalAcademyBruceAlbertsaddedthiskeypointintheprefacetothepanel’’sreport:Scienceneverhasalltheanswers.Butsciencedoesprovideuswiththebestavailableguidetothefutureanditiscriticalthatournationandtheworldbaseimportantpoliciesonthebestjudgmentsthatsciencecanprovideconcerningthefutureconsequencesofpresentactions. Justasonsmokingvoicesnowcomefrommanyquartersinsistingthatthescienceaboutglobalwarmingisincompletethatit’’sOKtokeeppouringfumesintotheairuntilweknowforsure.Thisisadangerousgame:bythetime100percentoftheevidenceisinitmaybetoolate.Withtherisksobviousandgrowingaprudentpeoplewouldtakeoutaninsurancepolicynow. FortunatelytheWhiteHouseisstartingtopayattention.Butit’’sobviousthatamajorityofthepresident’’sadvisersstilldon’’ttakeglobalwarmingseriously.Insteadofaplanofactiontheycontinuetopressformoreresearch―aclassiccaseofparalysisbyanalysis. Toserveasresponsiblestewardsoftheplanetwemustpressforwardondeeperatmosphericandoceanicresearch.Butresearchaloneisinadequate.IftheAdministrationwon’’ttakethelegislativeinitiativeCongressshouldhelptobeginfashioningconservationmeasures.AbillbyDemocraticSenatorRobertByrdofWestVirginiawhichwouldofferfinancialincentivesforprivateindustryisapromisingstart.Manyseethatthecountryisgettingreadytobuildlotsofnewpowerplantstomeetourenergyneeds.Ifweareevergoingtoprotecttheatmosphereitiscrucialthatthosenewplantsbeenvironmentallysound. Theauthorassociatestheissueofglobalwarmingwiththatofsmokingbecause
Wehavetorealisehowoldhowveryoldweare.Nationsareclassifiedasagedwhentheyhave7percentormoreoftheirpeopleaged65oraboveandbyabout1970everyoneoftheadvancedcountrieshadbecomelikethis.Ofthereallyancientsocietieswithover13percentabove65allareinNorthwesternEurope.Weknowthatwearegettingevenolderandthatthenearerasocietyapproximatestozeropopulationgrowththeolderitspopulationislikelytobe--atleastforanyfuturethatconcernsusnow. Tothesenowfamiliarfactsanumberoffurtherfactsmaybeaddedsomeofthemonlyrecentlyrecognised.Thereistheapparentparadoxthattheeffectivecauseofthehighproportionoftheoldisbirthsratherthandeaths.Thereistheeconomicprinciplethatthedependencyratio--thedegreetowhichthosewhocannotearndependforalivingonthosewhocan--ismoreadvantageousinoldersocietieslikeoursthanintheyoungersocietiesofthedevelopingworldbecauselotsofdependentbabiesaremoreofaliabilitythannumbersoftheinactiveaged.Thereistheappreciationofthehistoricaltruththattheagingofadvancedsocietieshasbeenasuddenchange. IfrevolutionisarapidresettlementofthesocialstructureandiftheagecompositionofthesocietycountsasaveryimportantaspectofthatsocialstructurethentherehasbeenasocialrevolutioninEuropeanandparticularlyWesternEuropeansocietywithinthelifetimeofeveryoneover50.Takentogetherthesethingshaveimplicationswhichareonlybeginningtobeacknowledged.ThesefactsandcircumstanceshadaleadingpositionataworldgatheringaboutagingasachallengetoscienceandtopolicyheldatVichyinFrance. ThereisoftenresistancetotheideathatitisbecausethebirthratefellearlierinWesternandNorthwesternEuropethanelsewhereratherthanbecauseofanychangeinthedeathratethatwehavegrownsoold.Longlifeisalteringoursocietyofcoursebutinexperientialterms.Wehaveamongusaverymuchgreaterexperienceofcontinuedlivingthananysocietythathaseverprecededusanywhereandthiswillcontinue.ButtoomuchofthatlengthenedexperienceeveninthewealthyWestwillbeexperienceofpovertyandneglectunlesswedosomethingaboutit. Ifyouareinyourthirtiesyououghttobeawarethatyoucanexpecttolivenearlyonethirdoftherestofyourlifeaftertheageof60.Theolderyouarenowofcoursethegreaterthisproportionwillbeandgreaterstillifyouareawoman. Theauthorarguesthatthemaincauseofagedsocietiesis
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Nocompanylikestobetolditiscontributingtothemoraldeclineofanation.IsthiswhatyouintendedtoaccomplishwithyourcareersSenatorRobertDoleaskedTimeWarnerexecutiveslastweek.YouhavesoldyoursoulsbutmustyoucorruptournationandthreatenourchildrenaswellAtTimeWarnerhoweversuchquestionsaresimplythelatestmanifestationofthesoul-searchingthathasinvolvedthecompanyeversincethecompanywasbornin1990.It’’saself-examinationthathasatvarioustimesinvolvedissuesofresponsibilitycreativefreedomandthecorporatebottomline. AtthecoreofthisdebateischairmanGeraldLevin56whotookoverforthelateSteveRossin1992.OnthefinancialfrontLevinisunderpressuretoraisethestockpriceandreducethecompany’’smountainousdebtwhichwillincreaseto$17.3billionaftertwonewcabledealsclose.Hehaspromisedtoselloffsomeofthepropertyandrestructurethecompanybutinvestorsarewaitingimpatiently. Theflapoverrapisnotmakinglifeanyeasierforhim.Levinhasconsistentlydefendedthecompany’’srapmusiconthegroundsofexpression.In1992whenTimeWarnerwasunderfireforreleasingIce-T’’sviolentrapsongCopKillerLevindescribedrapasalawfulexpressionofstreetculturewhichdeservesanoutlet.ThetestofanydemocraticsocietyhewroteinaWallStreetJournalcolumnliesnotinhowwellitcancontrolexpressionbutinwhetheritgivesfreedomofthoughtandexpressionthewidestpossiblelatitudehoweverdisputableorirritatingtheresultsmaysometimesbe.Wewon’’tretreatinthefaceofanythreats. Levinwouldnotcommentonthedebatelastweekbutthereweresignsthatthechairmanwasbackingoffhishard-linestandatleasttosomeextent.Duringthediscussionofrocksingingversesatlastmonth’’sstockholders’’meetingLevinassertedthatmusicisnotthecauseofsociety’’sillsandevencitedhissonateacherintheBronxNewYorkwhousesraptocommunicatewithstudents.Buthetalkedaswellaboutthebalancedstrugglebetweencreativefreedomandsocialresponsibilityandheannouncedthatthecompanywouldlaunchadrivetodevelopstandardsfordistributionandlabelingofpotentiallyobjectionablemusic. The15-memberTimeWarnerboardisgenerallysupportiveofLevinandhiscorporatestrategy.Butinsiderssayseveralofthemhaveshowntheirconcernsinthismatter.SomeofushaveknownformanymanyyearsthatthefreedomsundertheFirstAmendmentarenottotallyunlimitedsaysLuce.Ithinkitisperhapsthecasethatsomepeopleassociatedwiththecompanyhaveonlyrecentlycometorealizethis. Infaceoftherecentattacksonthecompanythechairman___________.
Justiceinsocietymustincludebothafairtrialtotheaccusedandtheselectionofanappropriatepunishmentforthoseprovenguilty.Becausejusticeisregardedasoneformofequalitywefindinitsearlierexpressionstheideaofapunishmentequaltothecrime.RecordedintheBibleistheexpressionaneyeforaneyeandatoothforatooth.Thatistheindividualwhohasdonewronghascommittedanoffenseagainstsociety.46Tomakerepaymentforthisoffensesocietymustgetequallybalancedwhichcanbedoneonlyimposinganequalinjuryuponhim.47Thisconceptionofdeserved-punishmentjusticeisreflectedinmanypartsofthelegalcodesandproceduresofmoderntimeswhichisillustratedwhenwedemandthedeathpenaltyforapersonwhohascommittedmurder.ThisphilosophyofpunishmentwassupportedbytheGermanidealistHegelwhobelievedthatsocietyowedittothecriminaltoputintooperationapunishmentequaltothecrimehehadcommitted.48Thecriminalhadbyhisownactionsdeniedhistrueselfanditisnecessarytodosomethingthatwilleliminatethisdenialandrestoretheselfthathasbeendenied.Tothemurderernothinglessthangivinguphisownlifewillpayhisdebt.Thedemandforthedeathpenaltyisarightthestateowesthecriminalanditshouldnotdenyhimwhathedeserves. Modernjuristshavetriedtoreplacedeserved-punishmentjusticewiththenotionofcorrectivejustice.Theaimofthelatterisnottoabandontheconceptofequalitybuttofindamoreadequatewaytoexpressit.Ittriestopreservetheideaofequalopportunityforeachindividualtorealizethebestthatisinhim.49Thecriminalisregardedasbeingsociallyillandinneedoftreatmentthatwillenablehimtobecomeanormalmemberofsociety.Beforeatreatmentcanbeputintooperationthecauseofhisantisocialbehaviormustbefound.Ifthecausecanberemovedprovisionsmustbemadetohavethisdone.Onlythosecriminalswhoareincurableshouldbepermanentlyseparatedfromtherestofsociety.Thisdoesnotmeanthatcriminalswillescapepunishmentorbequicklyreturnedtotakeupcareersofcrime.Itmeansthatjusticeistohealtheindividualnotsimplytogetevenwithhim.Ifseverepunishmentistheonlyadequatemeansforaccomplishingthisitshouldbeadministered.50Howevertheindividualshouldbegiveneveryopportunitytoassumeanormalplaceinsocietyandhisconvictionofcrimemustnotdeprivehimoftheopportunitytomakehiswayinthesocietyofwhichheisapart.
Maybeit’’sasignofamaturemindwhensomeoflife’’sbiggerquestions-aboutlovefaithambition-suddenlyseemmoremanageablethansmalleronessuchas:WhydidIjustopentherefrigeratorWhereonearthdidIputmykeysWheredidIwritedownthatphonenumber Ourcapacityforstoringandrecallinginformationdoesnotstreamdownlikesandthroughanhourglassasneurologistsoncebelieved.Onthecontrarynewresearchsuggeststhatwhenstimulatedintherightwaybrainsofalmostanyagecangivebirthtocellsandforgefreshpathwaystofileawaynewinformation.Thisemergingpicturehasnotonlyencouragedthosewhotreatandcareforthe5%ofolderadultswhohavedementia痴呆症suchasAlzheimer’’sdiseasebutalsogeneratedawaveofoptimismamongthosestudyingmemorychangesintheother95%aswellasanincreasingpublicfascinationwithmemoryenhancementdietarysupplementsbooksandbrain-improvingtechniques. Theslightfailuresofmemorythatmanyofusattributetoafailingbrainareoftenduetosomethingentirelydifferent:anxietysleepproblemsdepressionevenheartdisease.Thebiologicalnutsandboltsoflearningandmemoryinfactchangelittleovertimeinhealthypeopleresearcherssay.There’’sverylittlecelllossandstructurallyallthemachineryisthereevenverylateinlifesaidaneuroscientistGregCole.It’’sthecells’’speedandabilitytosendandreceivesignalsthatdiminishgraduallywhichiswhatmakesthemindgoblankwhentryingtorecallfamiliarwordsandnames. Formorethanadecaderesearchershaveknownthatpeoplewhohaveactiveintellectuallychallenginglivesarelesslikelytodevelopdementiathanthosewhodonot.Partofthisdifferenceisattributabletointelligencesomedoctorsbelieve:Themoreyoustartwiththelongerittakestoloseit.Andnewevidencesuggeststhattheactofusingyourbrainisinitselfprotectivenomatterwhoyouare. AlloftheactivitiessuchasreadingnewspaperswatchingTVplayinggamesetc.canimprovepeople’’sscoresonstandardtestsmeasuringrecallofnumbersandnamesexpertssay.Theyalsoacknowledgehoweverthatthereisabigdifferencebetweenplayingchesswithafriendanddoingamentalexercisesuchasmemorizingnumbers.Oneisanorganicpartofaperson’’slifetheotherapurelyintellectualexercisedoneinisolation.Thefirstisfun;thesecondoftenisatiringtask. Expertssuggestthatthebestwaytoavoidmemoryfailuresis
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Nocompanylikestobetolditiscontributingtothemoraldeclineofanation.IsthiswhatyouintendedtoaccomplishwithyourcareersSenatorRobertDoleaskedTimeWarnerexecutiveslastweek.YouhavesoldyoursoulsbutmustyoucorruptournationandthreatenourchildrenaswellAtTimeWarnerhoweversuchquestionsaresimplythelatestmanifestationofthesoul-searchingthathasinvolvedthecompanyeversincethecompanywasbornin1990.It’’saself-examinationthathasatvarioustimesinvolvedissuesofresponsibilitycreativefreedomandthecorporatebottomline. AtthecoreofthisdebateischairmanGeraldLevin56whotookoverforthelateSteveRossin1992.OnthefinancialfrontLevinisunderpressuretoraisethestockpriceandreducethecompany’’smountainousdebtwhichwillincreaseto$17.3billionaftertwonewcabledealsclose.Hehaspromisedtoselloffsomeofthepropertyandrestructurethecompanybutinvestorsarewaitingimpatiently. Theflapoverrapisnotmakinglifeanyeasierforhim.Levinhasconsistentlydefendedthecompany’’srapmusiconthegroundsofexpression.In1992whenTimeWarnerwasunderfireforreleasingIce-T’’sviolentrapsongCopKillerLevindescribedrapasalawfulexpressionofstreetculturewhichdeservesanoutlet.ThetestofanydemocraticsocietyhewroteinaWallStreetJournalcolumnliesnotinhowwellitcancontrolexpressionbutinwhetheritgivesfreedomofthoughtandexpressionthewidestpossiblelatitudehoweverdisputableorirritatingtheresultsmaysometimesbe.Wewon’’tretreatinthefaceofanythreats. Levinwouldnotcommentonthedebatelastweekbutthereweresignsthatthechairmanwasbackingoffhishard-linestandatleasttosomeextent.Duringthediscussionofrocksingingversesatlastmonth’’sstockholders’’meetingLevinassertedthatmusicisnotthecauseofsociety’’sillsandevencitedhissonateacherintheBronxNewYorkwhousesraptocommunicatewithstudents.Buthetalkedaswellaboutthebalancedstrugglebetweencreativefreedomandsocialresponsibilityandheannouncedthatthecompanywouldlaunchadrivetodevelopstandardsfordistributionandlabelingofpotentiallyobjectionablemusic. The15-memberTimeWarnerboardisgenerallysupportiveofLevinandhiscorporatestrategy.Butinsiderssayseveralofthemhaveshowntheirconcernsinthismatter.SomeofushaveknownformanymanyyearsthatthefreedomsundertheFirstAmendmentarenottotallyunlimitedsaysLuce.Ithinkitisperhapsthecasethatsomepeopleassociatedwiththecompanyhaveonlyrecentlycometorealizethis. SenatorRobertDolecriticizedTimeWarnerfor___________.
Doyourememberallthoseyearswhenscientistsarguedthatsmokingwouldkillusbutthedoubtersinsistedthatwedidn’’tknowforsureThattheevidencewasinconclusivethescienceuncertainThattheantismokinglobbywasouttodestroyourwayoflifeandthegovernmentshouldstayoutofthewayLotsofAmericansboughtthatnonsenseandoverthreedecadessome10millionsmokerswenttoearlygraves. Thereareupsettingparallelstodayasscientistsinonewaveafteranothertrytoawakenustothegrowingthreatofglobalwarming.ThelatestwasapanelfromtheNationalAcademyofSciencesenlistedbytheWhiteHousetotellusthattheEarth’’satmosphereisdefinitelywarmingandthattheproblemislargelyman-made.Theclearmessageisthatweshouldgetmovingtoprotectourselves.ThepresidentoftheNationalAcademyBruceAlbertsaddedthiskeypointintheprefacetothepanel’’sreport:Scienceneverhasalltheanswers.Butsciencedoesprovideuswiththebestavailableguidetothefutureanditiscriticalthatournationandtheworldbaseimportantpoliciesonthebestjudgmentsthatsciencecanprovideconcerningthefutureconsequencesofpresentactions. Justasonsmokingvoicesnowcomefrommanyquartersinsistingthatthescienceaboutglobalwarmingisincompletethatit’’sOKtokeeppouringfumesintotheairuntilweknowforsure.Thisisadangerousgame:bythetime100percentoftheevidenceisinitmaybetoolate.Withtherisksobviousandgrowingaprudentpeoplewouldtakeoutaninsurancepolicynow. FortunatelytheWhiteHouseisstartingtopayattention.Butit’’sobviousthatamajorityofthepresident’’sadvisersstilldon’’ttakeglobalwarmingseriously.Insteadofaplanofactiontheycontinuetopressformoreresearch―aclassiccaseofparalysisbyanalysis. Toserveasresponsiblestewardsoftheplanetwemustpressforwardondeeperatmosphericandoceanicresearch.Butresearchaloneisinadequate.IftheAdministrationwon’’ttakethelegislativeinitiativeCongressshouldhelptobeginfashioningconservationmeasures.AbillbyDemocraticSenatorRobertByrdofWestVirginiawhichwouldofferfinancialincentivesforprivateindustryisapromisingstart.Manyseethatthecountryisgettingreadytobuildlotsofnewpowerplantstomeetourenergyneeds.Ifweareevergoingtoprotecttheatmosphereitiscrucialthatthosenewplantsbeenvironmentallysound. Anargumentmadebysupportersofsmokingwasthat
Maybeit’’sasignofamaturemindwhensomeoflife’’sbiggerquestions-aboutlovefaithambition-suddenlyseemmoremanageablethansmalleronessuchas:WhydidIjustopentherefrigeratorWhereonearthdidIputmykeysWheredidIwritedownthatphonenumber Ourcapacityforstoringandrecallinginformationdoesnotstreamdownlikesandthroughanhourglassasneurologistsoncebelieved.Onthecontrarynewresearchsuggeststhatwhenstimulatedintherightwaybrainsofalmostanyagecangivebirthtocellsandforgefreshpathwaystofileawaynewinformation.Thisemergingpicturehasnotonlyencouragedthosewhotreatandcareforthe5%ofolderadultswhohavedementia痴呆症suchasAlzheimer’’sdiseasebutalsogeneratedawaveofoptimismamongthosestudyingmemorychangesintheother95%aswellasanincreasingpublicfascinationwithmemoryenhancementdietarysupplementsbooksandbrain-improvingtechniques. Theslightfailuresofmemorythatmanyofusattributetoafailingbrainareoftenduetosomethingentirelydifferent:anxietysleepproblemsdepressionevenheartdisease.Thebiologicalnutsandboltsoflearningandmemoryinfactchangelittleovertimeinhealthypeopleresearcherssay.There’’sverylittlecelllossandstructurallyallthemachineryisthereevenverylateinlifesaidaneuroscientistGregCole.It’’sthecells’’speedandabilitytosendandreceivesignalsthatdiminishgraduallywhichiswhatmakesthemindgoblankwhentryingtorecallfamiliarwordsandnames. Formorethanadecaderesearchershaveknownthatpeoplewhohaveactiveintellectuallychallenginglivesarelesslikelytodevelopdementiathanthosewhodonot.Partofthisdifferenceisattributabletointelligencesomedoctorsbelieve:Themoreyoustartwiththelongerittakestoloseit.Andnewevidencesuggeststhattheactofusingyourbrainisinitselfprotectivenomatterwhoyouare. AlloftheactivitiessuchasreadingnewspaperswatchingTVplayinggamesetc.canimprovepeople’’sscoresonstandardtestsmeasuringrecallofnumbersandnamesexpertssay.Theyalsoacknowledgehoweverthatthereisabigdifferencebetweenplayingchesswithafriendanddoingamentalexercisesuchasmemorizingnumbers.Oneisanorganicpartofaperson’’slifetheotherapurelyintellectualexercisedoneinisolation.Thefirstisfun;thesecondoftenisatiringtask. Asassertedbyresearchersourinabilitytomemorizewordsornamesmainly
Maybeit’’sasignofamaturemindwhensomeoflife’’sbiggerquestions-aboutlovefaithambition-suddenlyseemmoremanageablethansmalleronessuchas:WhydidIjustopentherefrigeratorWhereonearthdidIputmykeysWheredidIwritedownthatphonenumber Ourcapacityforstoringandrecallinginformationdoesnotstreamdownlikesandthroughanhourglassasneurologistsoncebelieved.Onthecontrarynewresearchsuggeststhatwhenstimulatedintherightwaybrainsofalmostanyagecangivebirthtocellsandforgefreshpathwaystofileawaynewinformation.Thisemergingpicturehasnotonlyencouragedthosewhotreatandcareforthe5%ofolderadultswhohavedementia痴呆症suchasAlzheimer’’sdiseasebutalsogeneratedawaveofoptimismamongthosestudyingmemorychangesintheother95%aswellasanincreasingpublicfascinationwithmemoryenhancementdietarysupplementsbooksandbrain-improvingtechniques. Theslightfailuresofmemorythatmanyofusattributetoafailingbrainareoftenduetosomethingentirelydifferent:anxietysleepproblemsdepressionevenheartdisease.Thebiologicalnutsandboltsoflearningandmemoryinfactchangelittleovertimeinhealthypeopleresearcherssay.There’’sverylittlecelllossandstructurallyallthemachineryisthereevenverylateinlifesaidaneuroscientistGregCole.It’’sthecells’’speedandabilitytosendandreceivesignalsthatdiminishgraduallywhichiswhatmakesthemindgoblankwhentryingtorecallfamiliarwordsandnames. Formorethanadecaderesearchershaveknownthatpeoplewhohaveactiveintellectuallychallenginglivesarelesslikelytodevelopdementiathanthosewhodonot.Partofthisdifferenceisattributabletointelligencesomedoctorsbelieve:Themoreyoustartwiththelongerittakestoloseit.Andnewevidencesuggeststhattheactofusingyourbrainisinitselfprotectivenomatterwhoyouare. AlloftheactivitiessuchasreadingnewspaperswatchingTVplayinggamesetc.canimprovepeople’’sscoresonstandardtestsmeasuringrecallofnumbersandnamesexpertssay.Theyalsoacknowledgehoweverthatthereisabigdifferencebetweenplayingchesswithafriendanddoingamentalexercisesuchasmemorizingnumbers.Oneisanorganicpartofaperson’’slifetheotherapurelyintellectualexercisedoneinisolation.Thefirstisfun;thesecondoftenisatiringtask. Accordingtothetextadultpersonsusually
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
Historiansaredetectivessearchingouttheevidenceofthepastintheirpursuitofhistory.Thisisachallengingandfrequentlyengagingquest1itsownbutevidencemustbeturnedto2.Primarysourcesthatareuncovered3manyformsthatvary4thequestionsaskedandtheperiodstudiedbutwrittenrecordsare5historiansusemorethananyother.Thehistoriandoesnot6evidenceinthemannerofcourtsoflawwherequestionsofadmissibilityandtruthversusfalsehoodare7.Thehistorian’’suseofevidenceismuchmore8Determininghowandwithwhatend9mindanypieceofevidencecameintoexistencearethefirsttasks10thehistorianintheinternalcriticismofhistoricalsources.Itisimportanttoknowforinstancewho11aparticularcensusandwithwhatinstructionsor12acorrespondentwasaddressingafriendorfoecolleagueoropponent. Formanyyearshistoriansdividedevidenceintothetwo13ofprimaryandsecondarysources.Theformerwereconsideredasany14orartifactfromtheperiod15studythelatterasdescriptionsorreconstructionsbasedonprimarysources.Thefunctionofthehistorianitwas16wastoconvertprimarysourcesintosecondarysources.This17misleads.Whathavebeencalledsecondarysourcesamnothistoricalsourcesatallbut18thatrevealthehistorian’’spointofview.Allevidenceusedbythehistorianwasaprimarysourceatthetimeitwas19anditisalwayspartialandincomplete.Thereinliespartofthe20ofhistory.
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