The containment policy dictated that Communist influence worldwide must be contained within the areas it controlled in the late Forties, and that any Communist effort to expand their control must be repulsed with US help, if necessary by force. The Korean War started by the Communist North Korea invading South Korea; so the Containment policy dictated that the USA should help South Korea to push back the North Korean army.
The Korean War and Vietnam War are some of their reactions.
Communist containment/stopping communist aggression.
Part of the Cold War; communist containment.
In foreign policy President Eisenhower kept the containment policy in the Cold War and ended the Korean War.
containment
To contain communism. The Korean & Vietnam Wars were part of that containment policy.
Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. The U.S. entered the Korean War to defend South Korea from a communist invasion and The U.S. adhered closely to containment during the Vietnam War also
Defense Department Doctrine shifted from all-out conventional warfare to a Policy of Containment.
Containment
The containment policy was that the US would fight against any attempt by existing communist countries to take over other countries and add them to the Soviet bloc. This was the reason for the Korean War (in which the North Korean effort to take over South Korea was successfully prevented) and the Vietnam War (in which the North Vietnamese effort to take over South Vietnam succeeded despite US efforts at containment).
President Harry Truman isssued the policy of containment
Communist containment. Push them back, then keep them there.