Which ancient civilization invented the world's first known retail loyalty program, offering clay tokens to repeat customers that could be exchanged for discounts?

Before malls and online shopping, ancient civilizations pioneered sophisticated retail systems. Their marketplaces weren't just places of commerce but social hubs that influenced culture and politics. These early retail innovations established foundations for commerce that we still use today - from standardized currencies to shopping seasons and consumer protections. Test your knowledge about these fascinating early retail systems that shaped human economic history.

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Mesopotamian merchants (circa 2000 BCE)
Roman shopkeepers during the Republic period
Han Dynasty traders in China
Egyptian bazaar owners under the New Kingdom