During world war ii, native americans:
a. served in the military and worked in war production. b. prospered, especially those on reservations. c. were eligible for gi bill benefits only if living on reservations. d. became more isolated within american society. e. collaborated with the japanese.

A. served in the military and worked in war production

Explanation:

According to Wikipedia, as many as 25,000 Native Americans in World War II fought actively: 21,767 in the Army, 1,910 in the Navy, 874 in the Marines, 121 in the Coast Guard, and several hundred Native American women as nurses.

Serving in the military and involvement in war was a common practice by the Native Americans during that period.

what are local authorities doing to fix the problem

explanation: what are local authorities doing to fix the problem

the correct answer is d