The correct answer to this open question is the following.
Boss Tweed was the machine boss in New York City.
Indeed, Boss Tweed and Tammany Hall's power was achieved through acts of political corruption. This political machine was based on corruption practices. Too much money and concessions were given to maintain its political power. The political machine dominated New York City from the mid-1800s to 1934. He always tried to influence the government with his personal agendas.