American System: the policy of promoting industry in the U.S. by adoption of a high protective tariff and of developing internal improvements by the federal government (as advocated by Henry Clay from 1816 to 1828).
Monroe Doctrine: a statement of United States foreign policy expressing opposition to extension of European control or influence in the western hemisphere.
The Great Dust Bowl
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Answer:
D. Stalin replaced Vladimir Lenin upon his death in 1924.
