The containment policy was a strategy adopted by the United States and its allies to prevent the spread of communism from the Soviet Union and its satellite states.

The Korean War was a conflict between North and South Korea, not a component of the containment policy.

The Truman Doctrine was a policy that provided economic and military aid to Greece and Turkey to prevent them from falling to communism.

The Marshall Plan was a program that provided economic aid to Western Europe to help it rebuild after World War II and prevent it from falling to communism.

NATO was a military alliance formed to defend Western Europe from Soviet aggression.

The Berlin Airlift was an airlift of supplies to West Berlin during the Soviet blockade of the city from 1948 to 1949.

The Cuban Missile Crisis was a crisis caused by the Soviet Union's deployment of missiles in Cuba in 1962.

The Vietnam War was a war between North and South Vietnam, with the United States supporting South Vietnam and the Soviet Union supporting North Vietnam.

The Cold War ended in 1991 with the collapse of the Soviet Union.

The containment policy is considered a success because it prevented communism from spreading to Western Europe, led to the collapse of the Soviet Union, and ended the Cold War.

The containment policy is considered a failure because it did not prevent the Korean War, the Vietnam War, or the Cuban Missile Crisis.

The containment policy is considered a mixed legacy because it had both successes and failures.

Greece, Turkey, and South Korea were all successfully contained by the United States during the Cold War.

North Korea, Vietnam, and Cuba were all examples of countries that were not successfully contained by the United States during the Cold War.

The containment policy had a profound impact on the Cold War, as it shaped the strategies and policies of both the United States and the Soviet Union.