Final answer:
The U.S. supported the Vietnam War as part of the Cold War strategy against Communism, facing challenges due to casualties and an antiwar movement.
Explanation:
The U.S. supported the Vietnam War as part of the Cold War strategy against Communism. The involvement escalated with bombings and deployment of combat troops, but ultimately faced challenges including casualties and a strong antiwar movement.
Learn more about Vietnam War here:
https://brainly.com/question/37209634
