Respuesta :
Answer:
Viet Cong and the North Vietnamese Army.
Explanation:
the people who supported communism in the south were known as viet cong. the US was fighting to stop communism which is what north Vietnam wanted.
During the war in Vietnam, the main opponents of the United States were the Viet Cong and the North Vietnamese Army.
What is the Vietnam war?
The Vietnam war was a long and bloody way that lasted between 1954 - 1975. The war mostly involved the United States and the communist government and its allies in the South called the Viet Cong.
Hence, during the war in Vietnam, the main opponents of the United States were the Viet Cong and the North Vietnamese Army.
Learn more about the Viet Cong:https://brainly.com/question/1216161