Why did the Inca move groups of people away from their home territories?

The Inca practiced a policy of forced resettlement, known as mitma, to maintain control over their vast empire and ensure the efficient use of resources. This practice involved moving groups of people away from their home territories for several strategic reasons:1

• Political Stability: By dispersing the members of an ethnic group throughout the empire, the Inca broke up the size and power of these groups, making it significantly more difficult for them to organize successful revolts.12
• Loyalty and Integration: When a new area was conquered, the Inca often brought in loyal settlers from established provinces who were familiar with the Inca system of government. These settlers replaced recalcitrant groups from the newly conquered territory, who were then moved elsewhere.1
• Resource Utilization: The Inca moved populations to better utilize land resources according to state needs. For example, native populations were sometimes removed from an area to facilitate large-scale state agricultural projects, such as the expansion of corn production in the Cochabamba Valley.31
• Economic Control: Resettlement weakened the ability of individual ethnic groups to remain self-sufficient, thereby increasing their dependence on the state.1