Answer:
Opposition to the war in the United States bitterly divided Americans, even after President Richard Nixon ordered the withdrawal of U.S. forces in 1973. Communist forces ended the war by seizing control of South Vietnam in 1975, and the country was unified as the Socialist Republic of Vietnam the following year.
Explanation:
https://www.history.com/topics/vietnam-war/vietnam-war-history#:~:text=Opposition%20to%20the%20war%20in,of%20Vietnam%20the%20following%20year.
