<u>82</u> years passed between the Monroe doctrine and its exten-sion the Roosevelt coro-llary.
In his annual mess-ages to Congress in 1904 and 1905, Presi-dent Theodore Roosevelt expan-ded the Monroe Doctrine. The corollary sta-ted that not only were the nati-ons of the Western Hemisphere not open to coloni-zation by European powers, but that the Uni-ted States had the respons-ibility to preserve order and pro-tect life and pro-perty in those countries.
In the history of United States foreign poli-cy, the Roosevelt Corollary was an add-ition to the Monroe Doctrine articul-ated by President Theodore Roosevelt in his State of the Uni-on address in 1904 after the Vene-zuelan crisis of 1902–1903.
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<h2>answer is:</h2><h2><em>
German princes picked the king weak royal authority, so states of Germany didn't unify during the middle ages.
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The United States entered WWII after the Japanese bombed Pearl Harbor.
The best and most correct answer among the choices provided by your question is the first choice or letter A. Promotion of trade throughout Asia was one of the policies implemented by Genghis Khan.
<span>Genghis Khan, born Temüjin, was the founder and Great Khan of the Mongol Empire, which became the largest contiguous empire in history after his death.</span>
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