I believe the answer is: Integrative theory
Integrative theory view that society could never be exist unless each individuals fulfill their own roles. These happen because humans are unique in terms of our talent/capabilities. So in order to crate a well functioning society, different humans had to integrate our different capability to operate it.
The second branch of government according to the constitution is the Executive Branch. I think
To be able to answer a question that involves a graph, I would need to see the graph :)
The u.s Department of the Interior