Many American Colleges and Universities Require Students to Take Classes

Many American colleges and universities require students to take classes on non-Western cultures.Why do these requirements exist?

A) To demonstrate that the schools value multiculturalism and to reduce ethnocentrism
B) Because many students will eventually work in other countries
C) Because many international exchange students now study in America, and it's important to give them classes they like
D) Because students are fascinated by exotic cultures.