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
Twenty-first Amendment to the United States Constitution the Constitution had ushered in a period known as Prohibition, during which the manufacture, distribution, and sale of alcoholic beverages was illegal. Passage of the Eighteenth Amendment in 1919 was the crowning achievement of the temperance movement, but it soon proved highly unpopular. Crime rates soared under Prohibition as gangsters, such as Chicago's Al Capone, became rich from a profitable, often violent black market for alcohol. The federal government was incapable of stemming the tide: enforcement of the Volstead Act proved to be a nearly impossible task and corruption was rife among law enforcement agencies. In 1932, wealthy industrialist John