Out of these options the term "melting pot" best describes the blended nationalities that create a single culture. However, this term does not necessarily imply the creation of a singular culture so much as the melting pot is a mixture of many cultures that are distinct, but also share other potentially common or shared characteristics.
Al Capone sold alcohol and he made so much money because it was illegal at the time. This is when the Prohibition Act was in law and alcohol was in high (illegal) demand.
