Why were the soldiers frustrated with the war in Vietnam and how did they deal with it?

warfare had traps and mines

And armies were too much but the Americans viewed Vietnamese soldiers and civilians as the enemy

Explanation:

The guerrilla warfare had traps and mines planted by an invisible enemy, or it seemed like to the Americans."4 These traps caused a lot of casualties among the American troops. At this stage of the war, Americans began to view all Vietnamese soldiers and civilians as the enemy and as racially inferior.

U.S. withdraws from Vietnam. Two months after the signing of the Vietnam peace agreement, the last U.S. combat troops leave South Vietnam as Hanoi frees the remaining American prisoners of war held in North Vietnam. America's direct eight-year intervention in the Vietnam War was at an end

the answer is b: the religion they practice.

here's why:

there were many different native american tribes and those with similar characteristics formed a main tribe or nation. each had its own language, religion and customs.