How did the Inca prevent revolts by local rulers who gained too much power or from newly conquered ethnic groups?

The Incas employed various strategies to prevent revolts by local rulers who gained too much power or by newly conquered ethnic groups. Here are some of the key methods they used:

1. Forced Relocation: The Inca Empire practiced a policy of forced relocation, known as "mitmaqkuna," which involved the resettlement of conquered groups to different regions of the empire. This was done to break up ethnic solidarity and prevent the concentration of power and potential rebellions. By scattering the newly conquered populations across the empire, the Inca ensured that they would remain under constant surveillance and control.

2. Administrative Control: The Incas established a highly centralized administrative system. They appointed loyal Inca administrators, known as "tukuyrikus," in newly conquered territories. These administrators closely monitored local rulers, known as "curacas," and reported any signs of dissent or rebellion to the central government. This system prevented local rulers from consolidating too much power and kept them in check.

3. Collaboration with Local Elites: The Inca Empire employed a strategy known as "mitma" to incorporate local elites and rulers into the imperial system. Instead of eliminating local leadership entirely, the Incas often integrated them into the Inca nobility, granting them privileges and responsibilities within the empire. This collaboration allowed the Incas to co-opt local power structures and maintain stability by appeasing influential local rulers.

4. Cultural Assimilation: The Incas aimed to assimilate newly conquered ethnic groups into their own culture, known as "quechuaization." They imposed the Quechua language, religion, and customs on conquered populations, while suppressing indigenous languages and traditions. By imposing their culture on conquered groups, the Incas sought to create a sense of shared identity and loyalty to the empire, making it more difficult for rebellions to gain traction.

5. Infrastructure and Communication: The Incas built an extensive network of roads and administrative centers throughout their empire. These roads facilitated the movement of troops and goods, while the network of administrative centers allowed for effective communication and control across vast territories. The rapid deployment of troops and centralized communication helped suppress rebellions by quickly quelling any signs of unrest.

6. Hostage System: The Incas implemented a hostage system in which conquered ethnic groups were required to send their children, typically the children of local rulers, to the Inca capital, Cusco. These children were educated in Inca traditions and raised as loyal subjects of the empire. Holding prominent individuals' children hostage ensured the compliance of local rulers and discouraged rebellion, as any uprising could put their own children's lives at risk.

Combined, these tactics helped the Inca Empire maintain control over local rulers and prevent revolts by newly conquered ethnic groups. The meticulous management of the conquered territories and the integration of conquered elites into the imperial system played significant roles in upholding the empire's stability and cohesion.