The connection it provided between the massive population centers of Brooklyn and Manhattan changed the course of New York City forever. In 1898, the city of Brooklyn formally merged with New York City, Staten Island and a few farm towns, forming Greater New York.
I would say the answer is three (not 100% sure tho). It's definitely not 2 or 1
Prohibition created an enormous public demand for illegal alcohol. Gang leaders such as Al Capone and Bugs Moran battled for control of Chicago's illegal drinking dens known as speakeasies. ... Capone was imprisoned for income-tax evasion and died from syphilis in 1947.
Intragroup.
An intragroup conflict is a conflict that takes place between one sector or group. The group being the United States, so their was a conflict inside the United States which makes it intragroup.
