Which ancient civilization first implemented a standardized system of weights and measures for marketplace transactions, revolutionizing retail inventory management around 2500 BCE?

Before modern shopping malls and e-commerce, ancient civilizations created sophisticated retail systems that influenced commerce for millennia. Their marketplace innovations established patterns of trade, customer service practices, and inventory management techniques that would evolve into today's retail landscape. Test your knowledge about these ancient retail pioneers and their revolutionary approaches to commerce!

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Indus Valley Civilization (Harappa and Mohenjo-daro)
Ancient Egypt
Mesopotamian Sumerians
Early Chinese Shang Dynasty