Domino Theory and Containment Policy

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What was Domino Theory & Containment Policy? What was the U.S. trying to contain? Why?
Even before the culmination of World War II, signs had emerged concerning tensions between the Soviet Union and the United States (U.S.). In the aftermath of the war, such tensions created what came to be termed as “cold war” – rivalry between the two countries that impacted international affairs as well as domestic life in America for extended timescales. Prominent historian and diplomat Kenna is credited for pioneering the containment principle. The Truman Doctrine constituted an expansion of the containment model that asserted the United States was expected to offer support to any country that was threatened by communism., Both containment policy and the Domino theory tremendously impact U.S. foreign policy.
During the cold war, the Domino theory emerged as a prominent hypothesis, which argued that if one nation embraced communism, the