Answer:
World War I Germany's unfettered submarine warfare against American ships during World War I provoked the U.S. into abandoning the neutrality it had upheld for so many years. The country's resultant participation in World War I against the Central Powers marked its first major departure from isolationist policy.
Answer: Korea
Explanation: United States was trying to stop the spread of Communism.
Introduces and explains the purpose of the U.S. Constitution
Answer:
He was a revolutionary and Soviet politician who ruled the Soviet Union from the mid-1920s until his death in 1953. Stalin's father was a drunk who routinely beat him.
Explanation:
They were formed to resist new British taxes