William M. Tweed, known as "Boss" Tweed was the leader of the tammany hall political machine.
William M. Tweed, known as "Boss" Tweed, ran an efficient and corrupt political machine based on patronage and graft.
Tammany Hall was a New York City political organization founded in 1786 and incorporated on May 12, 1789, as the Tammany Society. It constituted the Democratic Party political machine that played a crucial role in controlling New York City.
