Which of the Following Statements About Chiefdom Societies Is True

Which of the following statements about chiefdom societies is true?

A) Most chiefs gain their status through personal achievement.
B) Some chiefs do not appear to have benefited economically from their position at all.
C) Chiefs are thought to receive power from spiritual powers and, therefore, do not need to be generous to their followers.
D) It is almost always the case the chiefdom based societies are united under a single paramount chief who controls clans or kin groups through sub-chiefs.