He followed his predecessors - Assyria and Babylon, and did not have either the resources or the need to try to change such a large number of different peoples.
So that few people would rebel he would get more glory and they would all gain his trust
Quechua language
their religion
At first, they treated them with fairness but much more crule as the empire went on.
The Incan rulers insisted that conquered people learn the Quechua language to create a well-organized empire.
they studied Christianity after they were conquered
Quechua was the language taught to the people conquered by the Inca Empire. Quechua became the official language of administration and communication within the empire.
The Romans learned early on that gaining the loyalty of conquered people is important. If not, these people are sure to rebel.
Force or try to get all people to follow the Mongol religion. or follow their religion
Because both regions were conquered and settled by Spanish conquistadors during the 16th century. They imposed several traits such as customs, language and religion to the conquered, Native American peoples found throughout the region.
Because they let people they conquered keep their religion.
Language and religion.
Its not important to some people, but important because some civilizations were built on their religion.