Answer:
William Tweed was an American politician who was the head of a political organization known as Tammany Hall. He was a powerful man who manipulated elections, took bribes, and controlled much of New York City.
He was known for wearing a large diamond necklace in his shirtfront. He was also one of the biggest landowners of New York City.
He was also elected as a State Senate and used his influence and power over both ordinary and political citizens. He had his own candidates and voters, controlled the mayor of New York, and often gifted and rewarded his supporters heavily.