Answer:
A) Darwinism is about the survival of the fittest - and European nations believed they must colonize or be colonized - that the strongest would win out.
Explanation:
According to the proponents of Social Darwinism, imperialism expansion was a feature of a well-developed culture, and this expansion would help to eliminate or improve poorly-performing cultures. Social Darwinism asserted that those made better by industrial development have all been predicated on the natural propensity of the people. European nations believed that they are more superior and civilized, and therefore they were chosen to rule the inferior people.