What was the main goal of the Prohibition era in the United States? Ban smoking Outlaw gambling Prohibit alcohol production and sale Restrict voting rights None Which amendment to the U.S. Constitution officially began Prohibition in 1920? 18th Amendment 16th Amendment 19th Amendment 21st Amendment None Which illegal establishments became popular during Prohibition for secretly serving alcohol? Supermarkets Diner halls Speakeasies Sports arenas None Who was one of the most notorious gangsters that profited from illegal alcohol during Prohibition? Al Capone Wyatt Earp John D. Rockefeller J. Edgar Hoover None Which amendment repealed Prohibition in 1933? 17th Amendment 19th Amendment 20th Amendment 21st Amendment None Time's up