Which ancient civilization first developed specialized market segmentation by creating separate shopping districts for luxury goods versus everyday items, a practice still used in modern retail?

Before modern shopping malls and e-commerce, ancient civilizations developed sophisticated retail systems. Their market segmentation strategies were remarkably advanced, with specialized districts and traders catering to different social classes. Test your knowledge about how these ancient retail innovations shaped commerce for millennia to come and see if you can identify which civilization pioneered particular retail segmentation practices that we still use today.

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Ancient Rome with its Forum districts for patrician luxury goods and plebeian marketplaces
Ancient Egypt with its royal bazaars and commoner marketplaces along the Nile
Ancient Babylon with its stratified market zones in the city of Ur
Ancient China with its Tang Dynasty system of specialized streets for different goods and social classes