Answer:
In a dramatic speech to a joint session of Congress, President Harry S. Truman asks for U.S. assistance for Greece and Turkey to forestall communist domination of the two nations. Historians have often cited Truman's address, which came to be known as the Truman Doctrine, as the official declaration of the Cold War.
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Answer: There were many obstacles
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Shortages almost destroyed the American economy i believe is correct answer
B. POLYPHONIC
BASED ON THE POLYPHONIC DEVELOPMENT OF A MELODY CALLED THE SUBJECT WHICH IS A FUGE