Taylor is writing a literary analysis of “To Build a Fire” and its connection to historical events. Which is the best example of a clear topic sentence for her analysis?

Jack London mainly writes about nature and animals.
“To Build a Fire” is a depressing short story written by Jack London.
“To Build a Fire” by Jack London shows the hardship of living and working in the harsh Canadian wilderness at the beginning of the twentieth century.
Jack London’s real name was John Griffith Chaney, and he is my all-time favorite adventure author.