1945
The United States involvement lasted from 1917-1919.
The Progressive Era came to an end in 1917, which was the year the United States joined World War I. Woodrow Wilson was president from March 4, 1913 to March 4, 1921, including all of World War I.
Lenin agreed to the Treaty of Brest-Litovsk to end Russia's involvement in World War 1.
just decided they wanted out
world war 2
in 1914 and it ended in 1918
World War ll Answered By: Ellie<3 //Novanet//Gradpoint//
To end Russia's involvement in the war
World War II ended in 1945
1918
1945
1945