Which ancient civilization created the first standardized retail pricing system using a 'shekel' weight standard that revolutionized market fairness around 2000 BCE?

Long before Amazon and Walmart, ancient civilizations pioneered sophisticated retail systems. From the bustling agoras of Greece to the complex markets of Mesopotamia, these early commercial hubs established fundamental retail strategies we still use today. This poll tests your knowledge about one of the most influential ancient retail success stories that shaped commerce for millennia to come.

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Mesopotamian Babylonians, who introduced fixed pricing based on silver weights to ensure consistent value across their expanding trade networks
Ancient Egyptians, who established grain-based price controls under Pharaoh Amenemhat III to stabilize marketplace fluctuations
Indus Valley merchants, who implemented the first retail price marking system using clay tablets in Harappan markets
Chinese Han Dynasty officials, who created imperial price edicts that standardized costs throughout regional marketplaces