The communists . . . Are engaged in a monstrous conspiracy to stamp out freedom all over the world. . . . The only question is: When is the best time to meet the threat and how? −President Harry Truman 1951 This statement by President Truman supports the US policy of publishing procommunist propaganda. containing the Soviet Union's influence. protecting Eastern European nations. bringing World War II to an end.

containing the Soviet Union's influence

Explanation:

This statement reveals that President Truman wants to contain the Soviet Union's influence around the world. Immediately after the world war II, the top two countries that emerged as the super powers are the United States and the USSR. However, they both have different governing ideologies. US favours democracy, while the USSR favour communism, and both were increasingly trying to influence other nations with their governing ideologies, and at the same time forming allies.

Hence, in the bid of United States to contain the increase in USSR influence as the leading power, the then United States of America President, Harry Truman, in 1951, made statement to contain the excessive move of the USSR, which would prevent the expansion of communism among other nations of the world.