I believe it's an analogy due to USS Alabama is a monster as it is a monster to battle in war, 26 battles to be exact.
Thoreau's actions reveal that he believes the society to be corrupt. That is why life in the woods is the best possible option for any human being. Reconnecting with nature and abandoning cities.
My dad talks to me about saving money, being thrifty, and that I should make a budget.
I would say that Orwell uses satire and allegory to reveal the evils of a totalitarian government. In my opinion, the answer is C.