I would rule out B and C because they didn't do much good they killed people who didn't change religion. I would go with D because they forced people to change to their religion.
Not too sure about this one, can't find much information on it.
Answer:
a. Imperialists argued that stronger countries should naturally dominate weaker countries.
Explanation:
Social Darwinism was the belief that certain people became powerful in society merely because they are naturally superior. Many imperialists believed that it was their duty to "purify" the inferior population.
