WORLD CIVILIZATION

Detailed explanation-1: -To connect the remote regions of the Persian Empire of the fifth-century BCE, Darius I commissioned the Royal Persian Road. The road system was a collection of old trade routes that had been used for years.

Detailed explanation-2: -The Royal Road of the Achaemenids was a major intercontinental thoroughfare built by the Persian Achaemenid dynasty king Darius the Great (521–485 BCE). The road network allowed Darius a way to access and maintain control over his conquered cities throughout the Persian empire.

Detailed explanation-3: -Royal road: according to the Greek researcher Herodotus of Halicarnassus (fifth century BCE) the road that connected the capital of Lydia, Sardes, and the capitals of the Achaemenid Empire, Susa and Persepolis.