More harm than good came from prohibition. Some persons who had made their entire living from the manufacturing of alcohol ended up insolvent and jobless.
Then, several gangs that produced illicit booze emerged, and criminals like Al Capone began to sell it (sort of like illegal drugs today).
One of the biggest and most well-known side consequences of prohibition was the emergence of a secondary black market where people could still purchase alcohol, but where the supply was regulated by the criminal underworld.
Because of prohibition, organized crime expanded, Al Capone was in full force, and tax measures were overturned. Without any concern, illegal alcohol was kept and sold on the streets of American cities.
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