The
US foreign policy of containment was the main motivation behind the American
intervention in Vietnam. This policy of containment was based on the theory of stopping
any country from following communism and that was considered a disease by the
US. Also the taking over of Vietnam by a military dictator added fuel to fire.
Firstly the Americans tried to bring up a local army by training the local
people. After that they tried to push in the US army to crush communism as well
as the military dictator.