Vietnam is a communist nation; the US is not.
Anti-communist and pro-democratic.
It is a communist nation.
Communist North Vietnam was trying to take over the non-communist country of South Vietnam. The US fought North Vietnam to stop them.
we got in the war with Vietnam because it was a communist country.
Because Vietnam's government was communist
To stop communist aggression.
The US government wanted to prevent a Communist takeover of South Vietnam.
To fight communism. To stop a communist nation (North Vietnam) from taking over a non-communist country (SOUTH Vietnam).
Defending South Vietnam against Communist aggression from North Vietnam.
To prevent the communist take over of South Vietnam.
Stop communist aggression into South Vietnam.