Answer:
Explanation:
In March 1947, President Truman delivered a speech that established the Truman Doctrine. Truman vowed assistance to any country resisting a Communist takeover in this address. The policy was dubbed "Containment of Communism." The Marshall Plan was a massive economic aid program provided to all European countries to aid in their recovery after World War II. The Russian Revolution aided in spreading the concept of communism throughout the world.
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