The correct answer is B) He helped bring down Boss Tweed And Tammany Hall with his political cartoons.
Thomas Nast was famous because he helped bring down Boss Tweed and Tammany Hall with his political cartoons.
Journalism has been a major force in exposing corruption and crime in the United States. Thomas Nast (1840-1902) was an American cartoonist whose pieces of work severely critique important issues such as slavery, crimes, and corruption in the US government. Many journalists considered him the "father of American Cartoons."
His cartoons helped bring down corruptive leader Boss Tweed and Tammany Hall, which was a group of rich people that tried to influence legislation with acts of corruption to influence politicians.