Which ancient civilization created the world's first standardized retail packaging system, using sealed clay bullae (hollow balls) to protect and authenticate merchandise?

The ancient world had sophisticated retail systems long before modern shopping malls. From the agoras of Greece to the forums of Rome and bazaars of Mesopotamia, ancient civilizations developed complex marketplaces with specialized vendors, trade regulations, and even consumer protection measures. This poll tests your knowledge about one of history's most impressive ancient retail operations that revolutionized commerce and cross-cultural exchange.

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Ancient Mesopotamia (specifically the Uruk culture, circa 3500 BCE)
Ancient Egypt (during the New Kingdom period, circa 1550-1070 BCE)
Ancient China (during the Western Zhou Dynasty, circa 1046-771 BCE)
Ancient Rome (during the Republican period, circa 509-27 BCE)