Rockefeller and Carnegie believed in "survival of the fittest" when it came to running their businesses and created monopolies by acquiring weaker, less successful companies. This mindset can be attributed to:

1. Unionization

2. Urbanization

3. Laissez-Faire economics

4. Social Darwinism

1 answer

The mindset of Rockefeller and Carnegie, which involved the belief in "survival of the fittest" and the creation of monopolies by acquiring weaker companies, can be attributed to 4. Social Darwinism. Social Darwinism applied the concept of natural selection from biology to social, economic, and political issues, suggesting that the strong (in this case, successful businesses) would naturally prevail over the weak.