James buchenan is the 15 president
first off ill give the definition of MATRIACHY:
Matriarchy is a social system in which females hold the primary power positions in roles of political leadership, moral authority, social privilege and control of property at the specific exclusion of males.
i dont really know the tribes that are listed if they are but the tribe that i know about thats a matriarchy is... THE AMAZONS.
hope this helps!
