Which ancient civilization created the first known retail price standardization system with fixed prices posted on tablets, similar to modern product labels?

Before modern shopping malls and e-commerce platforms, ancient civilizations developed sophisticated commercial systems that laid the foundation for today's retail landscape. Some ancient merchants became the world's first retail giants, creating vast commercial networks that spanned multiple continents and influenced economies for centuries. Test your knowledge about these historical retail powerhouses and their revolutionary business practices!

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The Phoenicians with their maritime merchant network
The Babylonians under King Hammurabi's Code
The Roman Empire during Emperor Augustus's reign
The Han Dynasty in ancient China