Humans change their environment both positively and negatively and the environment affects how humans live in many different ways. The main interactions between humans and our environment can be grouped into the use of resources and the production of wastes.
I believe your answer is humanism. :)
According to the passage, unequal distribution of resources leads to "<span>B. specialization and trade" since those who lack certain goods trade the goods they do have, so everyone "wins". </span>