See also:Treaty of Brest-Litovsk,World War * Due to the German Navy's unrestricted submarine warfare, President Woodrow Wilson requests declaration of war against Germany but Congress, led by strong isolationist Henry Cabot Lodge, refuses making declaration of war impossible without an overt threat to the US. * January 15th, 1918, the Treaty of Brest-Litovsk is signed. Soviet Russia exits the war and deals with internal problems. * Germany starts the Spring Offensive on March 15th. * War ends with the official signing of the Geneva Peace Accords. One of the points of the agreement is the creation of the European Treaty Organization. The organization is formed to encourage all European nations to work together to establish peace, as well as to create a stable economic situatio