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A World of Money
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Throughout history, money has taken many forms -- sea shells, sheep, silver, gold, and, believe it or not, salt! Today we use coins, paper and credit cards as money. A World of Money takes us around the world to document the history of money, from bartering with animals to coins in the Greek and Roman Empires, to the invention of paper money in China, and inflation caused by the excessive printing of paper money.
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