Final answer:
Prohibition contributed to the growth of organized crime through the rise of bootlegging and criminal empires like Al Capone's. Underground gangs took advantage of the ban on alcohol and engaged in various illegal activities to profit from the high demand for alcohol.
Step-by-step explanation:
During the Prohibition era, the ban on alcohol led to the growth of organized crime. Underground gangs took advantage of the high demand for alcohol and formed lucrative bootlegging operations. Crime bosses like Al Capone became notorious for running criminal empires involved in activities such as bootlegging, prostitution, gambling, and more. These criminal organizations gained significant power and wealth through their involvement in the illegal alcohol trade.