Which ancient trade route, stretching over 4,000 miles, is considered history's first global supply chain and was named for its most valuable traded product?

Before modern logistics and supply chains, ancient civilizations developed sophisticated networks for trading goods across vast distances. These ancient trade routes connected disparate cultures, facilitated the exchange of ideas, and distributed products from their regions of origin to distant markets. This poll explores how ancient civilizations managed the complex logistics of moving valuable products across continents without modern technology.

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The Silk Road, connecting China to the Mediterranean
The Amber Route, linking Baltic regions to Mediterranean civilizations
The Incense Route, connecting Arabian Peninsula to Mediterranean regions
The Tin Route, connecting Cornwall, England to Mediterranean civilizations