The decade of the 1920s was full of deception, corruption and government collapse. The United States Congress signed the 18th Amendment banning the sale of alcohol. Illegal production and distribution of alcohol, or bootlegging, became commonplace, and the national government lacked the means and determination to enforce this law in every state. This led to the rise of the Chicago Outfit and how they introduced a new type of business to America, organized crime. Due to Chicago's lawless environment, small gangs were able to build an empire or create crime during the Prohibition era and shape law enforcement in America. From the late 1800s to the early 1900s, many European immigrants from southern and eastern Europe emigrated to the United States. States hope for a better life. In 1870, of these immigrants, approximately 5.3 million Italian immigrants emigrated to the United States and these populations will continue to grow. It is estimated that eighty percent of these immigrants were from southern Italy and twenty-five percent of them came from Sicily alone. These areas were marked by strong mafia activity. Mass immigration was fueled by poverty, soaring inflation, social and economic immobility and an anti-mafia campaign led by the Italian government. Benito Mussolini became the 40th Prime Minister of Italy in 1922. Mussolini saw the mafia as a threat to his fascist regime and launched a bulletproof campaign to eradicate the mafia. This led to the arrest of more than a thousand suspected Sicilian mafia gangsters. During the 1920s and early 1930s, Chicago experienced a sudden boom in Italian immigration. This led to excessive exponential growth in the city's population and weakened the government's ability... ... middle of paper ... such as gambling, casino rackets, and prostitution. Although the most lucrative business is the sale of alcohol and illegal smuggling. Capone quickly earned the nickname "The King of Chicago" due to the fact that he "owned" Chicago and was invulnerable to prosecution due to intimidation of witnesses and bribery of politicians and officials in the city. Thanks to this organized corruption, which included bribing Chicago Mayor William "Big Bill" Hale Thompson, Capone's gang operated largely without legal intrusion, operating casinos and speakeasies throughout Chicago. Wealth also allowed Capone to invest in a luxurious lifestyle of custom suits, cigars, gourmet food, jewelry, and female companionship. Capone loved the media attention and it transformed Capone to celebrity status. During this period, Al Capone vied with George "Bugs" Moran for control of Chicago..