Which of these replaced the barter system, and why? Coins, because they were easy to carry and could be used to assign value to goods Trade goods, because they were more convenient and produced fairer prices Gold bars, because they were produced by kings and made them more powerful Crops, because they helped farmers use their surplus for things they needed ?

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Coins replaced the barter system because they were easy to carry and could be used to assign value t... View the full answer