Which of the Following Is True of Discrimination in the U.S.armed

Which of the following is true of discrimination in the U.S.armed services during World War II?

A) Native Americans were forbidden from serving in regular units with whites.
B) The military segregated African Americans and at first excluded them from combat.
C) Mexican Americans, though serving bravely, were not eligible for the Congressional Medal of Honor.
D) Having learned from World War I, the Army refused to allow the segregation of black soldiers.
E) Only whites were permitted to serve as "code talkers," deciphering and encoding messages.