The answer is B. Sitting Bull.
He is seen as the central leader, however there were others Chiefs, primarily Crazy Horse.
Affirmative action was aimed at ending discrimination of minorities in various areas of society. This was accomplished through the creation of quotas for minority admissions or hiring. In turn, it was intended to give minorities opportunities in education and work as a way of ending discrimination
The main job is to help the president. Each of them know something different so that means that they help and give the president advice and information.
Menes united upper and lower Egypt by sending an army down the Nile and defeated the king of lower Eygpt