d. to practice Christianity
In the 1800s, the federal policy of assimilation encouraged indigenous peoples to practice Christianity and adopt European-American cultural practices. The policy of assimilation was based on the belief that indigenous peoples were inferior to European-Americans and that they needed to be "civilized" and "Christianized" in order to become productive and successful members of society. As part of this policy, indigenous peoples were often forced to attend Christian mission schools, where they were taught European-American cultural practices and religious beliefs. The policy of assimilation was deeply controversial and was opposed by many indigenous peoples, who resisted efforts to erase their cultural identities and traditions.