The United States in World War I 1914-1920. Copy into your notes: When World War I began in 1914, the United States declared its neutrality. However, soon the U.S. began to side with the Allies, and in 1917 the U.S. was drawn into the war. . Do Now.
Austria-Hungary, Germany, Ottoman Empire
Russia, France, Great Britain
Imperialism among the major European nations led to competition that increased militarism and nationalism.
Germany sided with Austria-Hungary
Russia sided with Serbia
Soon, all of Europe was engulfed in war
1st Battle of the Marne, 1914
Germany losses: 250,000
French losses: 250,000
“The United States must be neutral in fact, as well as in name, during these days that are to try men's souls.”
--President Woodrow Wilson, 1914