Answer:
The illegal activities of "Boss" Tweed, is the right answer.
Step-by-step explanation:
Thomas Nast remained an American who took birth in Germany. He was an editorial cartoonist and caricaturist, who is regarded as the "Father of the American Cartoon". He became critic to the Tammany Hall and the "Boss" Tweed. His most influential works include the production of the modern variant of Santa Claus and the political symbol of the elephant.