What is a division of society by rank or class called

The right answer is social hierarchy

Explanation:

This term is used to divide the society according to caste, rank or class, used in sociology to try to understand the way people interact differently depending on the person they do. The groups that this hierarchy contains are based on economic, social, political dimensions or so. It reflects social inequalities, it goes to every generations, it can vary thou and it stands over time because people actually believe in it.  

sumerians were polytheistic, meaning they believed in many different gods. so, the best answer is c.

answer; //(no) the u.s.constitution prohibits it because of using the congress for their own personal gain;