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Answer: The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. Buried in a routine annual message delivered to Congress by President James Monroe in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.
Answer:
The banks' customers could not repay their loans.
People sold off bank stocks, making them worthless.
People stopped taking out loans because they were bankrupt.
The Federal Reserve Board reduced how much money it gave banks to loan.