Final answer:
Thomas Nast's cartoons had a significant impact on corruption at Tammany Hall, exposing the corrupt practices to a wide audience and contributing to the downfall of Boss Tweed and the political machine.
Step-by-step explanation:
The cartoons of Thomas Nast had a significant impact on corruption at Tammany Hall in the late 19th century. Nast was a political cartoonist known for his depictions of Boss Tweed and the corrupt practices at Tammany Hall. His cartoons exposed corruption to a wide audience, making it difficult for the political machine to continue its illicit activities without public scrutiny. One of Nast's most famous cartoons was titled "Who Steals My Purse Steals Trash", in which he depicted Tweed as a thief stealing from the pockets of New York City taxpayers. The cartoon became a powerful symbol that reinforced public outrage over corruption at Tammany Hall. Overall, Nast's cartoons played a crucial role in raising awareness about corruption at Tammany Hall, contributing to the eventual downfall of Boss Tweed and the political machine.