Which ancient trade route was known as the 'Royal Road' and featured an early postal system that, according to Herodotus, delivered messages 'neither snow nor rain nor heat nor darkness of night' would stop?

Before modern logistics and supply chain management, ancient civilizations developed sophisticated trade networks that connected distant lands and cultures. These early supply chains were essential for the exchange of goods, ideas, and technologies that helped shape the development of human civilization. Test your knowledge about these remarkable ancient commercial networks that moved products across vast distances without modern transportation or communication technology.

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The Persian Royal Road, built by Darius I in the 5th century BCE
The Amber Road connecting Baltic Sea regions to Mediterranean civilizations
The Incense Route linking Arabian Peninsula to Mediterranean markets
The Roman Via Appia, the first major Roman highway system