One member of this organization, Frankie Yale, was so named because he owned the Harvard Bar and Grill. Precursors of this group included the Dead Rabbits, and a famous member of this group supplied the US Navy with intelligence for (*)  Operation Huskie. This group fought a "war" named for a village whose natives attempted to take it over. This group has been regulated in the United States since 
One member of this organization, Frankie Yale, was so named because he owned the Harvard Bar and Grill. Precursors of this group included the Dead Rabbits, and a famous member of this group supplied the US Navy with intelligence for (*)  Operation Huskie. This group fought a "war" named for a village whose natives attempted to take it over. This group has been regulated in the United States since the 1930s by "The Commission", and branches of it include the Unione Corse and the 'Ndrangheta. For ten points, name this loosely-organized American crime group that fought the Castellamarese war, whose members included John Gotti, Charles Luciano, and Alphonse Capone.
One member of this organization, Frankie Yale, was so named because he owned the Harvard Bar and Grill.
the  Mafia  (accept "La Cosa Nostra")