Answer:
Its b
Explanation:
Because "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."
The phonograph and the motion picture camera.
Hope this helped!
Answer:
C wrote about life in the slums
Explanation:
A.
many members of Congress believed that the president had overstepped his powers
The opposition from corporations and labor laws and blacklisting.
