Use the list below to answer the question.
The United States after World War II
• Founding member of the United Nations
• Founding member of the North Atlantic Treaty Organization
• Opposed communism through the Truman Doctrine
• ___________________?_______________________
Which other event helped establish the United States as a world leader?
A. Provided aid for countries through the Marshall Plan
B. Endorsed the civil rights goals of the Freedom Riders
C. Encouraged allies to sign the Nuclear Non-Proliferation Treaty
D. Accepted the demands of the American Federation of Labor