Which ancient civilization's agora retail model became so successful that it influenced marketplace design across three continents and continues to impact modern retail space organization?

Before modern shopping malls and e-commerce, ancient civilizations created sophisticated retail operations that influenced commerce for millennia. Some ancient marketplaces were so successful they became cultural centers that transformed societies and trade networks across continents. Test your knowledge about one of history's most influential retail success stories that changed how humans conducted commerce.

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Ancient Greece, whose columned agoras created distinct zones for different product categories and became the template for Roman forums and later European market squares
Ancient Egypt, whose riverside bazaars organized vendors by trade guilds and influenced marketplace design throughout North Africa and the Middle East
Mesopotamia, whose zigzag marketplace layout maximized vendor visibility and was later adopted by Persian, Indian, and Chinese trading centers
The Indus Valley Civilization, whose grid-pattern marketplaces with central wells became the standard for South and Southeast Asian retail centers