Original sentence: For example during the USA's prohibition era, gangsters monopolized the alcohol trade.Gangsters typically run their operations as a pseudo-business in that they do offer some product or service, albeit an illegal one, for paying customers, rather than outright theft, although they engage in that as well.In the 1950s, they did the same to gambling, and today, they control the trade of narcotics.Other classic gangster endeavours include prostitution, extortion and wielding undue influence over labor unions
Edited sentence: Additionally, they have been known to take over or wield undue influence in labor unions.For example during the USA's prohibition era, gangsters monopolized the alcohol trade, in the 1950s, they did the same to gambling, and today, they control the trade of narcotics.Gangsters typically run their operations as a pseudo-business in that they do offer some product or service, albeit an illegal one, for paying customers, rather than outright theft, although they engage in plenty of that as well.In this situation the police are handsomely paid off, and in exchange, the police ignore the gangsters' illicit activities or may even assist them by directly taking part in crimes or by arresting competitors.Other classic gangster endeavours include prostitution and charging local businesses protection money as if the gang were a private security firm, when in fact the payments are made solely to protect the business from the gangsters themselves and sometimes from other gangs.This practice is known as indirect armed robbery or extortion.When gangsters become particularly powerful, they may eventually develop reciprocal relationships with law enforcement they have managed to corrupt