The presidency of Woodrow WilsonBlockades, u-boats and sinking of the LusitaniaZimmermann TelegramUnited States enters World War IWorld War I: HomefrontThe United States in World War IWoodrow Wilson's Fourteen PointsParis Peace Conference and Treaty of VersaillesMore detail on the Treaty of Versailles and GermanyThe League of NationsThe Treaty of Versailles
The Nineteenth Amendment1920s urbanization and immigrationThe reemergence of the KKKProhibitionRepublican ascendancy: politics in the 1920sThe presidency of Calvin Coolidge1920s consumptionMovies, radio, and sports in the 1920sAmerican culture in the 1920sNativism and fundamentalism in the 1920s
Beginning of World War II1940 - Axis gains momentum in World War II1941 Axis momentum accelerates in WW2Pearl HarborFDR and World War IIJapanese internmentAmerican women and World War II1942 Tide turning in World War II in EuropeWorld War II in the Pacific in 19421943 Axis losing in EuropeAmerican progress in the Pacific in 19441944 - Allies advance further in Europe1945 - End of World War IIThe Manhattan Project and the atomic bombThe United NationsShaping American national identity from 1890 to 1945
At the end of the 19th century, the industrial might of the United States propelled it into great power status. In the early 20th century, the United States grappled with its new role in the world and the effects of the second Industrial Revolution at home.