Which ancient civilization invented the world's first known retail receipt system, using clay tablets to record transactions and product returns around 3000 BCE?

While we often think of retail innovation as a modern concept, ancient civilizations pioneered remarkable market systems and retail practices that would influence commerce for millennia. From the bustling agoras of Greece to the complex trade networks of Mesopotamia, these early retail innovations shaped how humans exchanged goods and services. Test your knowledge about these fascinating early retail systems that laid the foundation for today's global marketplace.

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Sumerians in Mesopotamia
Ancient Egyptians
Indus Valley Civilization
Ancient Chinese Zhou Dynasty