Which ancient civilization's innovation of the stoa (covered colonnaded walkway) revolutionized retail by creating the world's first shopping arcades with standardized storefronts and visual merchandising?

Before modern shopping malls and e-commerce platforms, ancient civilizations created sophisticated marketplaces that revolutionized trade. These early retail innovations established practices we still use today. This poll explores one of history's most influential marketplace designs that transformed how products were marketed, displayed, and sold—creating the template for retail spaces that would evolve over millennia. Test your knowledge about this pioneering retail innovation from antiquity!

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Ancient Greece (particularly in the Agora of Athens, circa 5th century BCE)
Ancient Rome (in Trajan's Market, circa 2nd century CE)
Babylonian Empire (in the Processional Way marketplace, circa 6th century BCE)
Ancient Egypt (in the markets of Alexandria, circa 3rd century BCE)