Through speed and skill, the Chasquis couriers linked all corners of the Inca Empire
Similar to what happened before with Rome and later with the famous Pony Express in the American Far West, the expansion of the Inca Empire owed much to the development of an extraordinary road network that facilitated communication between different points of Tahuantisuyo and Cuzco with astonishing
Source: labrujulaverde.com