The basic concept was that the Americans had to prevent the first domino from falling (country turning to communism) in order to prevent the unfold of communism. As such, historians now argue that the US used the Domino principle to justify its involvement in Korea, just as it did inside the later Vietnam war.
On June 27, President Truman announced to the country and the arena that the us would interfere in the Korean conflict a good way to save you the conquest of an unbiased state through communism.
The US and its EU allies, guided by means of their very own doctrine of containment, sharply criticized the Soviet move into Afghanistan and devised numerous measures to compel Moscow to withdraw.
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Answer:
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