How did the Khmer Rouge attempt to remove Western influences from Cambodia? Select all that apply.

A. They exiled anyone who had studied or traveled to the West.
B. They moved city people to the country to work in the fields.
C. They killed or starved to death all who disagreed with them.
D. They made people study and then practice Theravada Buddhism.

A. They exiled anyone who had studied or traveled to the West.

B. They moved city people to the country to work in the fields.
C. They killed or starved to death all who disagreed with them.