What does it tell us about group dynamics and behaviors in the group?

Group attitudes and behavior depend upon several variables: size, structure, the purpose that the group serves, group development and various influences upon a group. Group dynamics refers to a system of behaviors and psychological processes occurring within a social group or between social groups. Hope that helps!

Explanation:

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

i am pretty sure it is d.