Prohibition
Prohibition in the United States focused on the manufacture, transportation, and sale of alcoholic beverages; however, exceptions were made for medicinal and religious uses. Alcohol consumption was never illegal under federal law. Nationwide Prohibition did not begin in the United States until January 1920, when the Eighteenth Amendment to the U.S. Constitution went into effect. The 18th amendment was ratified in 1919, and was repealed in December 1933 with the ratification of the Twenty-first Amendment.
Prohibition in the United States
Prohibition also had an effect on the music industry in the United States, specifically with jazz. Speakeasies became very popular, and the Great Depression's migratory effects led to the dispersal of jazz music, from New Orleans going north through Chicago and to New York. This led to the development of different styles in different cities. Due to its popularity in speakeasies and the emergence of advanced recording technology, jazz's popularity skyrocketed. It was also at the forefront of the minimal integration efforts going on at the time, as it united mostly black musicians with mostly white audiences.