Why did the US invade Vietnam?
I don't believe the US did invade Vietnam.
The US was an invited participant and adviser in an ongoing conflict between North Vietnam and South Vietnam.
Nixon ran on that ticket "getting out've Vietnam". He got elected, he got us out. There was no particular "cause" to leave Vietnam...it was accepted that it was an un-winnable war...unless the US went nuclear or invaded North Vietnam. If the US wasn't going to use nukes or invade...then leave. The US left.
In what way might successes in Korea have later influenced the decision to become more deeply involved in Vietnam?
The USA became involved in 1960, when President Kennedy sent military advisors to Vietnam. The nation was in a civil war. The US began to send troops in a large scale around 1964. At one point the US had 500,000 troops in Vietnam. The US was trying to keep communism from spreading in southeast Asia. The US did not wish to escalate the war into a larger theater. With that said, the US played a…
You meant "invaded." Just so you'll know, North Vietnam was attacked, and consistently, commencing in 1964 by US Naval air units (A4 Skyhawks and F8 Crusaders mostly). In fact, during the course of the war, North Vietnam had more aerial bombs dropped on it, than all of Germany did by the US during WWII. The US did not INVADE North Vietnam because it did not want a repeat of the Korean War. When the US/UN…
There was no resemblance between the two other than that between any two US military operations. During WWII the Phillippines was invaded to retake it from the enemy. This involved amphibious landings against armed Japanese resistance. The US did not invade Vietnam. The US brought its armed forces there at the request of and to assist an existing government, which no longer exists because it lost the war.