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No,they won’t. Yes, they will. No, they aren’t. Yes, they arE.
cloth and knives cows and other animals copper coins tusks, monkey tails and salt
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they were too heavy they would be for future use they were easy to slip off they were useless
people can use their money to buy whatever they want people do not need to make a complete product for exchange people make a great contribution to the manufacture of a product people cannot use their money to buy whatever they want