Why were the roads so important to the Inca?

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.

so they could trade goods easily

Explanation:

so they could trade goods easily

i think its the outcome of people's preferences.

this act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.