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Roosevelt assumed the presidency at age 42 after McKinley was assassinated in September 1901.
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The corollary stated that not only were the nations of the Western Hemisphere not open to colonization by European powers, but that the United States had the responsibility to preserve order and protect life and property in those countries.
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Completed in 1914, the Panama Canal symbolized U.S. technological prowess and economic power.
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The Pure Food and Drug Act of 1906 prohibited the sale of misbranded or adulterated food and drugs in interstate commerce and laid a foundation for the nation's first consumer protection agency, the Food and Drug Administration (FDA).
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Thomas Woodrow Wilson was an American politician and academic who served as the 28th president of the United States from 1913 to 1921
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On April 11, 1913, recently inaugurated President Woodrow Wilson received Postmaster General Albert Burleson's plan to segregate the Railway Mail Service. Burleson reported that he found it “intolerable” that white and Black employees had to work together and share drinking glasses and washrooms.
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The United States occupation of Veracruz (April 21 to November 23, 1914)[12] began with the Battle of Veracruz and lasted for seven months, as a response to the Tampico Affair of April 9, 1914. The incident came in the midst of poor diplomatic relations between Mexico and the United States, and was related to the ongoing Mexican Revolution.
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World War I began after the assassination of Austrian archduke Franz Ferdinand by South Slav nationalist Gavrilo Princip on June 28, 1914.
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A German U-boat torpedoed the British-owned steamship Lusitania, killing 1,195 people including 128 Americans, on May 7, 1915. The disaster set off a chain of events that led to the U.S. entering World War I.
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The German government responded with the so-called Sussex pledge (May 4, 1916), agreeing to give adequate warning before sinking merchant and passenger ships and to provide for the safety of passengers and crew.
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The Russian Revolution of 1917 was one of the most explosive political events of the twentieth century. The violent revolution marked the end of the Romanov dynasty and centuries of Russian Imperial rule. During the Russian Revolution, the Bolsheviks, led by leftist revolutionary Vladimir Lenin, seized power and destroyed the tradition of csarist rule. The Bolsheviks would later become the Communist Party of the Soviet Union.
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On April 4, 1917, the U.S. Senate voted in support of the measure to declare war on Germany. The House concurred two days later. The United States later declared war on German ally Austria-Hungary on December 7, 1917.
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At the 11th hour on the 11th day of the 11th month of 1918, the Great War ends. At 5 a.m. that morning, Germany, bereft of manpower and supplies and faced with imminent invasion, signed an armistice agreement with the Allies in a railroad car outside Compiégne, France.
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The Treaty of Versailles, signed in June 1919 at the Palace of Versailles in Paris at the end of World War I, codified peace terms between the victorious Allies and Germany.
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The Eighteenth Amendment declared the production, transport, and sale of intoxicating liquors illegal, though it did not outlaw the actual consumption of alcohol. Shortly after the amendment was ratified, Congress passed the Volstead Act to provide for the federal enforcement of Prohibition.
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A Red Scare is the promotion of a widespread fear of a potential rise of communism, anarchism or other leftist ideologies by a society or state. It is often characterized as political propaganda.
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Passed by Congress June 4, 1919, and ratified on August 18, 1920, the 19th amendment granted women the right to vote. The 19th amendment legally guarantees American women the right to vote. Achieving this milestone required a lengthy and difficult struggle—victory took decades of agitation and protest.
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first commercial radio station was KDKA in Pittsburgh, which went on the air in the evening of Nov. 2, 1920