Which ancient civilization developed the 'Royal Road' - a sophisticated 1,600-mile supply chain infrastructure with relay stations, warehouses, and security checkpoints to ensure rapid delivery of goods and information?

The ancient spice trade represents one of history's most sophisticated supply chain networks, connecting distant civilizations and shaping economies for millennia. From the Arabian Peninsula to the Roman Empire, from India to China, these complex trade routes required innovative logistics, storage solutions, and distribution systems that would impress even modern supply chain experts. Test your knowledge about how ancient civilizations managed the complex flow of these valuable commodities across vast distances and challenging terrain.

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Persian Empire under Darius I
Roman Empire under Augustus
Han Dynasty China
Mauryan Empire under Ashoka