Conversation so far:
How did Thomas Nast begin his career?
In February 1860, Thomas Nast went to England for the New York Illustrated News to depict one of the major sporting events of the era
What fight did Thomas Nast depict?
the prize fight between the American John C. Heenan and the English Thomas Sayers

Question: What did he do after this?
Self-contained rewrite: What did Thomas Nast do after he depicted the prize fight between the american John C. Heennan and the English Thomas Sayers?