I have never read what you are asking, but just by looking at it, I would assume that he is stereotyping Dutch people, because he is calling Black Dog an insult, which is "son of a dutchman".
The intended meaning is to show how the speaker thinks that the colonists are being unfairly treated by the British government.
Answer:
B
Explanation:
the debate is a controversial topic, so division in this case, means disagreement