Why did all Incan roads lead through Cuzco?

The Inca road system formed a network known as the royal highway or qhapaq ñan, which became an invaluable part of the Inca empire, not only facilitating the movement of armies, people, and goods but also providing an important physical symbol of imperial control. Across plains, deserts, and mountains, the network connected settlements and administrative centres. Well-built and lasting, many roads included bridges, causeways, stairways, and also had small stations (chaskiwasi) and sometimes larger, more luxurious complexes (tambos) dotted along every 20 km or so, where travellers could spend the night and refresh. The Andean road system is listed by UNESCO as a World Heritage Site.

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not really a history or a question at all.

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maybe this isn't the best place to ask this, maybe a social media platform like twitter or instagram? -austin

on my last question