The
Spanish–American War in 1898 precipitated the end of the
Spanish Empire in the
Caribbean and the
Pacific, with the 1898
Treaty of Paris giving the US control over the former Spanish colonies. Permanent ownership of the Philippines was a major issue in the 1900 presidential election. William Jennings Bryan, although strongly supportive of the war against Spain denounced the permanent acquisition of the Philippines which was strongly defended by Republicans, especially the Vice-Presidential nominee Theodore Roosevelt. President Roosevelt in 1904 boasted of his success in gaining
control of the Panama Canal, in 1903. Democrats attacked the move, but their attempt to apologize to Colombia failed. The United States also appeared on the world scene in the last years of World War I. President
Woodrow Wilson tried to negotiate peace in Europe, but when Germany began
unrestricted submarine warfare against American shipping in early 1917 he called on Congress to declare war. Ignoring military affairs he focused on diplomacy and finance. On the home front he began the first effective draft in 1917, raised billions through
Liberty loans, imposed an
income tax on the wealthy, set up the
War Industries Board, promoted labor union growth, supervised agriculture and food production through the
Food and Fuel Control Act, took over control of the railroads, and suppressed left-wing anti-war movements. Like the European states, the United States experimented with a
war economy. In 1918, Wilson advocated for various international reforms in the
Fourteen Points, among them public diplomacy, freedom of navigation, "equality of trade conditions" and removal of economic barriers, an "impartial adjustment of all colonial claims", the creation of a Polish state (the
second Polish Republic), and, most importantly the creation of an association of nations. The latter would become the
League of Nations. The League became highly controversial for Wilson and the Republicans refused to compromise. Voters in 1920 showed little support for the League and the U.S. never joined it. Peace was a major political theme in the 1920s (especially now because women were voting). Under the
Harding administration, the
Washington Naval Conference of 1922 achieved significant naval disarmament for ten years. The
Roaring Twenties were marked, on the international scene, by the problem of the
economic reparations due from Germany to France and Great Britain, as well as by various
irredentist claims. The US acted as mediators in this conflict, first with the
Dawes Plan in 1924 and then with the
Young Plan in 1929. ==See also==