If a country is isolated, it will have to produce everything that it needs: especially food clothes and medicine. It won't be able to specialize, but it will have to focus on satisfying the needs of the people.
If it is not isolated, it can specialize in the things that it can produce the best and fastest, and hope to exchange it for the things that it can't produce.
D) He was the head of the Freedmen'd Bureau.
The term that takes into consideration "how humans adapt to and modify the environment is human-environment interaction. Correct answer:C
The term denotes the interactions between the human social system and his environment (the erst of the ecosystem). These interactions include how humans depend on the environment, how humans modify the environment and the way humans adapt to the environment.
Population growth has affected earth a lot based on the pollution we give out. We have also given chances for technology to advance because of population growth and the more and more people who try are the more people who advance with technology. Technically is helpful and allows many things to be simpler than they used to be back 50 years ago hope this kinda helped!