Its last stronghold was conquered by the Spanish in 1572. From 1438 to 1533, the Incas incorporated a large portion of western South America, centered on the Andean Mountains, using conquest and peaceful assimilation, among other methods. ... The Incas lacked the use of wheeled vehicles.
When they would arrive in a new region, they would try to make a relationship with the tribe's leader. They would offer gifts such as wool clothing, coca leaves, and mullu (shells believed to be food for the Gods).
As the Incas conquered more people, they had to devise a way to control them. They made the conquered leaders move out of their villages and move in with leaders who were loyal to the Incas government. The Inca made the children of the conquered leaders come to the Incas capital to learn about Incas ways.
