Answer:
A) Most of the fighting in the Vietnam War took place in South Vietnam.
Explanation:
The South definitely had more deaths then the North. The south was led by America and once they couldn't take the north they left the war. The south became communist then under the soviets.
The attack on Pearl Harbor made changed American's attitude's towards entering WWII so after the attack, America participated in the war.
The answer should be separate but equal. Hope this helps. (ノ◕ヮ◕)ノ*:・゚✧