Respuesta :
The answer to your question is C.a swift US withdrawal would leave the South Vietnamese floundering.
By the year 1970, the president Nixon and the people who supported him believed that a swift US withdrawal would leave the South Vietnamese floundering.
What was the Vietnam war?
This was a war that was fought between the north and the south of Vietnam. The reason for the war was communism.
The south did not want to be a part of communism so they tried to secede but they failed.
Read more on the Vietnam war here:
https://brainly.com/question/182779