Which of the following polity had the most complex social structure? band state chiefdom tribe

Chiefdom

Explanation:

A chiefdom is a state of the political organization in the non-industrial society based on the kingship which forms the leadership in the monopolized by the state and is redistributed society with a permanent central agency of the coordination.  As they can have 2 or 3 triers of political authority. wth the nobles are distinguished from the commoners and doe engage in the forms of the agricultural production.

C.about 10% i think