Section 1 discusses how the US adopted imperialist policies in the Caribbean and Asia during the progressive era to expand its economic and political influence overseas. Section 2 outlines the origins and stalemate of WWI in Europe and the struggle for US neutrality. Section 3 covers America's mobilization and contribution to the Allied war effort. Section 4 explains how Wilson's vision for postwar peace with the League of Nations was undermined by European self-interest at Versailles and rejection by isolationists in the US Senate.
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