Prohibition in the United States to other issues, such as Mormon polygamy and the temperance movement. On November 18, 1918, prior to ratification of the Eighteenth Amendment, the U.S. Congress passed the temporary Wartime Prohibition Act, which banned the sale of alcoholic beverages having an alcohol content of greater than 1.28%. (This act, which had been intended to save grain for the war effort, was passed after the armistice ending World War I was signed on November 11, 1918.) The Wartime Prohibition Act took effect June 30, 1919, with July 1, 1919 becoming known as the "Thirsty-First". The U.S. Senate proposed the Eighteenth Amendment on
Prohibition in the United States larger process of Americanization taking place during the same time period. Two other amendments to the Constitution were championed by dry crusaders to help their cause. One was granted in the Sixteenth Amendment (1913), which replaced alcohol taxes that funded the federal government with a federal income tax. The other was women's suffrage, which was granted after the passage of the Nineteenth Amendment in 1920; since women tended to support prohibition, temperance organizations tended to support women's suffrage. In the presidential election of 1916, the Democratic incumbent, Woodrow Wilson, and the Republican candidate, Charles Evans Hughes, ignored the prohibition issue,