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Theodore Roosevelt becomes president
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Roosevelt Corollary to Monroe Doctrine
Roosevelt Corollary to Monroe Doctrine stated that the United States would intervene as a last resort to ensure that other nations fulfilled their obligations to international creditors. -
Woodrow Wilson becomes president
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The Beginning of the Federal Reserve System
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World War I begins
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The sinking of the Lusitania and the U.S. enters WWI
The sinking of the Lusitania was the torpedoing and sinking of the passenger ship, Lusitania, by a German submarine during WWI. -
Germany issues Sussex Pledge
The Sussex Pledge agreed to give adequate warning before sinking merchant and passenger ships and to provide for the safety of passengers and crew -
The Russian Revolution
The Russian Revolution was a period of political and social revolution that took place in the former Russian Empire which began during the First World War -
The Treaty of Versailles
The Treaty of Versailles ended World War I -
The 19th Amendment is added
This gave women the right to vote