It wasn’t illegal to drink alcohol during Prohibition. The 18th Amendment only forbade the “manufacture, sale and transportation of intoxicating liquors”—not their consumption. By law, any wine, beer or spirits Americans had stashed away in January 1920 were theirs to keep and enjoy in the privacy of their homes.
http://www.history.com/news/10-things-you-should-know-about-prohibition
Section 1 explicitly repealed the Eighteenth Amendment and brought an end to Prohibition. Accordingly, because many saw the Twenty-first Amendment as nothing but a repeal of the Eighteenth Amendment, Congress passed the resolution without much substantive debate.
http://www.heritage.org/constitution/#!/amendments/21/essays/183/repeal-of-prohibition
Even after the repeal of Prohibition, some states maintained a ban on alcohol within their own borders. Kansas and Oklahoma remained dry until 1948 and 1959, respectively, and Mississippi remained alcohol free until 1966—a full 33 years after the passage of the 21st Amendment.
http://www.history.com/news/10-things-you-should-know-about-prohibition
Ratified December 5, 1933. The 21st Amendment repealed the 18th Amendment. Section 1. The eighteenth article of amendment to the Constitution of the United States is hereby repealed. Section 2. The transportation or importation into any State, Territory, or Possession of the United States for delivery or use therein of intoxicating liquors, in violation of the laws thereof, is hereby prohibited.
http://constitutioncenter.org/interactive-constitution/amendments/amendment-xxi
The eighteenth article of amendment to the Constitution of the United States is hereby repealed.Section 2. The transportation or importation into any State, Territory, or Possession of the United States for delivery or use therein of intoxicating liquors, in violation of the laws thereof, is hereby prohibited.Section 3.
http://www.heritage.org/constitution/#!/amendments/21/essays/183/repeal-of-prohibition
Alcohol continued to flow like water in the big cities, and gangsters, bootleggers and ordinary citizens alike all flouted the law until its repeal in late-1933. Ninety-five years after its inception, learn 10 fascinating facts about America’s nearly 14-year “noble experiment” in alcohol prohibition.
http://www.history.com/news/10-things-you-should-know-about-prohibition
A dozen other states soon instituted “Maine Laws” of their own, only to repeal them a few years later after widespread opposition and riots from grog-loving citizens (Kansas later instituted a separate ban in 1881).
http://www.history.com/news/10-things-you-should-know-about-prohibition
Section 3. This article shall be inoperative unless it shall have been ratified as an amendment to the Constitution by conventions in the several States, as provided in the Constitution, within seven years from the date of the submission hereof to the States by the Congress.
http://www.heritage.org/constitution/#!/amendments/21/essays/183/repeal-of-prohibition
Some prohibition leaders looked forward to an educational campaign that would greatly expand once the drink businesses became illegal, and would eventually, in about thirty years, lead to a sober nation.
https://prohibition.osu.edu/why-prohibition
We offer some generalizations in answer to that question. Prohibition in the United States was a measure designed to reduce drinking by eliminating the businesses that manufactured, distributed, and sold alcoholic beverages.
https://prohibition.osu.edu/why-prohibition
what law repealed prohibition
The Twenty-first Amendment law repealed prohibition. Twenty-first Amendment repealed prohibition.