In 1919 the temperance movement finally succeeded. They secured ratification of a constitutional amendment (the ) that banned alcoholic beverages. Prohibition began with the 1920 passage of the which?

In 1919, the temperance movement achieved a significant victory with the ratification of the 18th Amendment, which prohibited the manufacture, sale, and transportation of Alcoholic Beverages. Prohibition officially began in 1920 with the passage of the Volstead Act, which provided for the enforcement of the amendment. This period led to significant social changes, including the rise of speakeasies and organized crime, as many people sought ways to circumvent the ban on alcohol.