Select ALL that apply. Which of the following are reasons that oligarchies emerge?

A. Members of an oligarchy are motivated to maintain their leadership roles privileges, and power,

B. Those who follow oligarchs are motivated almost entirely by economic rewards.

C. The rank and file look to leaders for direction, which reinforces the process of rule by a few,

D. Those in leadership roles have the skills, knowledge, and charismatic appeal to direct others.