Which ancient civilization first implemented a standardized system of weights and measures for retail transactions that included consumer protection laws against fraudulent merchants?

Before modern shopping malls and e-commerce platforms, ancient civilizations developed sophisticated retail systems that laid the foundation for today's commerce. The innovations of these early merchants in creating retail chains, managing inventory, and analyzing consumer behavior were remarkably advanced for their time. This poll explores how ancient civilizations utilized early forms of retail technology and data analysis to optimize their commercial operations.

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Mesopotamia (specifically during the reign of King Hammurabi)
Ancient Egypt during the New Kingdom period
The Indus Valley Civilization at Mohenjo-daro
Ancient China during the early Zhou Dynasty