The hessians main goal for winning the war was to "get paid by the British"--since they were hired mercenaries who had no real interest in American independence.
The correct answer here would be B - adoption of cultural characterstics of the conquerors by the vanquished.
However, this was not neccessarily the case always as sometimes those who conquered could adopt some characteristics of those they conquered. However, in general, B would be the correct answer.
The answer:
The Normans are an ethnic group that arose from contact between Norse Viking settlers of a region in France