Answer:
Social Darwinism.
Explanation:
The quote "Those who were the fittest genetically for survival enjoyed wealth and success. The poor remained poor because they are unfit, " is an example of Social Darwinism theory.
This is evident in the sense that Social Darwinism theory explains the survival of the society based on Charles Darwin's theory, that is, survival of the fittest whereby people become successful because of their natural ability or outlook.
