The correct answer is: C. Progressive reformers of the early 20th century
FDR took his cue from the progressive reformers who saw a more active role for the Federal government in solving problems.
Kennan was an American diplomat in Russia and Truman advisor who believed the U.S. must contain, or stop, the expansion of the Soviet Union. ... The Truman Doctrine was a policy of containment because it called for providing direct aid to foreign countries resisting communism or communist threats.
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The Treaty of Versailles, which effectively ended World War I, required Germany to "pay reparations"--which were very harsh and actually led to the outbreak of World War II.
