Which ancient civilization created the first standardized road system specifically designed for rapid product distribution, complete with relay stations, professional couriers, and warehouses every 25 km?

Before modern logistics and global shipping, ancient civilizations developed sophisticated supply chains to move goods across vast distances. From the Silk Road to maritime trade routes, these early supply networks shaped economies and cultures. This poll tests your knowledge about one of history's most impressive ancient supply chain innovations that transformed commerce in its time.

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Persian Empire under Darius I (Royal Road system)
Roman Empire (Via Appia and subsequent roads)
Han Dynasty China (Imperial Highway system)
Inca Empire (Qhapaq Ñan road network)