Why does human societies being complex and Diversified?

answer; i do believe that the employee must do the adjusting;

i want to say death; parole, probation, and fines are still being used all the time.

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.