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
Repeal of Prohibition in the United States Against the Prohibition Amendment (AAPA) and Women's Organization for National Prohibition Reform (WONPR), an estimated $861 million was lost in federal tax revenue from untaxed liquor; $40 million was spent annually on Prohibition enforcement. The AAPA also released a pamphlet claiming that $11 billion was lost in federal liquor-tax revenue and $310 million was spent on Prohibition enforcement from 1920 to 1931. This lack of potential funding during a period of economic strife became a crucial part of the campaign for repeal. During this period, support for Prohibition diminished among voters and politicians. John D. Rockefeller Jr., a lifelong nondrinker