Answer:
I think the answer might be D. Their policies of direct confrontation and Marxist economic philosophies broke from the established methods of protest.
Answer:
In 1947, President Harry S. Truman pledged that the United States would help any nation resist communism in order to prevent its spread. His policy of containment is known as the Truman Doctrine. ... To help rebuild after the war, the United States pledged $13 billion of aid to Europe in the Marshall Plan.
Explanation:
The Norman invasion of England in 1066 :)
Are you asking what it is?