What was the name of the u. s. policy that sought to restrict communism to the places where it already existed? can u plz answer

The policy of Containment is the correct answer.

Explanation:

The policy of containment was the diplomatic strategy of the US for preventing communism from spreading during the cold war. To counter the Soviet influence "US followed the strategy that economic support, not the political ideologies should bind the countries. It was announced by President Harry Truman, he announced that Us would support the countries which were threatened by military force (i.communism). The speech he delivered came to be known as the Truman Doctrine. He promised to support Greece and Turkey against the Soviet Union. Another aspect of this plan was the Marshall Plan, it aimed to boost the rebuilding of the European economy after the second world war with the American economic model and fewer trade barriers.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.