Which ancient civilization created the world's first known retail shopping complex with standardized storefronts and rental agreements for merchants?

Before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail strategies to sell their goods. From Mesopotamian marketplaces to Roman shopping complexes, retail innovation has deep historical roots. This poll explores how ancient merchants created effective retail environments and strategies that would influence commerce for millennia to come. Test your knowledge about the retail innovations that helped shape early economic systems!

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Roman Empire (Trajan's Market, 2nd century CE)
Phoenician trading outposts (8th century BCE)
Han Dynasty China (Chang'an markets, 1st century BCE)
Aztec Empire (Tlatelolco marketplace, 15th century CE)