Coca-Cola and PepsiCo have been accused of contributing to the obesity problem in the United States. This accusation comes from the segment of the general environment.

sociocultural

Explanation:

This accusation is generally comes from sociocultural segment of environment which means a group of people have certain believes, attitudes toward specific matter. So in this statement, a group of people believe that such drinks are one of main reason to cause obesity is US.  

answer; the natural law school;