Answer:
C
Explanation:
Imperialist ideals are reflected heavily in this answer. The paragraph acknowledges the tragedy of the negatives effects imperialism brought the native Americans. Yet, right after, it gives a reason as to why it wasn't that bad for both sides. Someone with Imperialist views would most likely write this paragraph to push the blame away from them a little.
The word that provides the best context clue to the meaning of churning is turning.
