In the 1970s,Native American Boarding Schools Reached Peak Enrollments

In the 1970s,Native American boarding schools reached peak enrollments.In these schools,which started in the late 1800s,efforts to "civilize" American Indians by prohibiting talk in native languages,replacing native names with Americanized versions,and mandating styles of dress and grooming commensurate with European-American beauty standards,were widely practiced.The assumptions of which model of racial integration were displayed in such schools?

A) the melting pot
B) assimilation
C) multiculturalism
D) cosmopolitanism