Which ancient civilization introduced the world's first known standardized packaging system for retail goods, using sealed clay containers with merchant stamps as a form of brand identification?

Before modern retail stores and e-commerce, ancient civilizations had sophisticated marketplaces and trading networks. These early commercial innovations laid the groundwork for today's retail practices and product distribution methods. Test your knowledge about these remarkable ancient retail systems that connected empires and facilitated the exchange of goods across vast distances!

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Mesopotamian merchants (circa 3000 BCE)
Roman Empire market vendors (circa 100 CE)
Phoenician traders (circa 1200 BCE)
Chinese Han Dynasty retailers (circa 200 BCE)