Well, on January 18, 1918, President Woodrow Wilson gave a speech to Congress that outlined Fourteen Points for peace and the end to World War I. Wilson wanted lasting peace and for World War I to be the "war to end all wars." The United States entered World War I on the side of the Allies on April 6, 1917.
The conflict was partly political and partly religious.
The New Deal did not do enough to get government more involved in economy and stop inequality in US