Answer:
Theory by Darwin.
Step-by-step explanation:
Andrew Carnegie and John D. Rockefeller remembered as the rich men who owned larger companies. Both supported the theory of social Darwinism. Social Darwinism is a theory related to the survival of the fittest in society. The theory given by Charles Darwin, which points to evolution. Wealth is in the hands of a few people due to economic struggle. Money ends up remaining in the hands of those who grow their wealth by using their skill and strength.