Mark Twain was the one that wrote that novel. It's a good read! You should read it :)
Answer:
so you want me to write a assay 4 u?
Explanation:
The answer to the question that is being presented above would be the 'Crimean War'. The topic that the clergyman tutored Scoresby on was the topic on the Crimean War. He helped Scoresby with the tutoring and all because he pitied him.