Prohibition was a nationwide ban on the production, importation, transportation, and sale of alcoholic beverages in the United States from 1920 to 1933. This period was established by the 18th Amendment to the U.S. Constitution and aimed to reduce crime and corruption, improve health, and enhance social order. However, Prohibition led to unintended consequences, including the rise of illegal activities such as bootlegging and the growth of organized crime. Speakeasies, secret bars that served alcohol, became popular. The 21st Amendment eventually repealed Prohibition in 1933, allowing the legal sale of alcohol once again.