I disagree, honestly. I have looked up A.mitchell palmers and he was an aterney general. Radical evolution is a book based on humans with non-human abilities. It looks interesting but the man has nothing to do with Radical Evolution.
Answer: an Indian
Explanation: some Indians do not like it when people call them Indians so they are now called Native Americans
His steel company dominated the U.S. steel market because it made good steel at low expenses. That was possible because he used high-quality equipment and gave workers low wages. He helped to make U.S steel some of the best in the world.
Your answer would be population density.
The word "unique" means something that is unlike anything else. In urban areas, it's mostly heavily populated due to the amount of residential, business, and suburban areas. Urban areas are packed with houses, apartments, businesses, and etc. When you go into the country side of town, they're not heavily populated due to it being mostly land and not residential places.