Which ancient civilization pioneered the world's first known retail credit system, allowing merchants to offer 'buy now, pay later' terms to customers through clay tablet receipts?

Before Amazon and eBay, ancient civilizations developed sophisticated systems of trade and commerce. The earliest marketplaces weren't just places to exchange goods - they were centers of innovation, cultural exchange, and economic development that shaped entire empires. This trivia question explores how ancient civilizations created the foundations of retail and commerce that we still build upon today. Test your knowledge about the revolutionary retail technologies of antiquity!

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Mesopotamia (Ancient Sumerians)
Ancient Egypt
Roman Empire
Ancient China (Han Dynasty)