Answer:
B. The subject and topic are similar, so they belong together in the same sentence.
Explanation:
A really good way to find comparisons if you can't think of any is to google the summary of the story and character descriptions from sparknotes, or where ever. That usually helps me when writing c/c essays.
Germany has sunk sea vessels regardless of the vessel's nationality. This was critical point that made Woodrow Wilson to support USA's participation at war. Germany made act that shouldn't stay unanswered.