Which sentence from the paragraph best describes where the story takes place?

Depends on the story

What’s the story ?
But I’d say you might find where it best takes place is in the beginning of the story

The answer is "he was bad enough in all conscience, but the devil himself could not temp him to turn slave-trader. satirical is a synonym for sarcastic. so when the author says that tom walker could not be tempted by the devil he does not literally mean "the devil" but he means that he is too morally upright to become a slave-trader.