Containment was a United States policy using numerous strategies to prevent the spread of communism abroad. A component of the Cold War, this policy was a response to a series of moves by the Soviet Union to enlarge its communist sphere of influence in Eastern Europe, China, Korea, and Vietnam.

Was the US successful in containment policy?

The policy of containment had failed militarily. ... The policy of containment had failed politically. Not only had the USA failed to stop Vietnam falling to communism, but their actions in the neighbouring countries of Laos and Cambodia had helped to bring communist governments to power there too.

What was the policy of containment and was it successful?

The U.S. policy of containment was successful in keeping Americans aware of world events and wary of growing Soviet power as well as giving the U.S. a sense of victory because of no actual war.