Which characteristic of a civilization helps rulers justify their power

Cities

Explanation:

Civilizations depended on some agricultural settlements to constantly produce a surplus of food which lead to people getting non-agriculture work which lead to trade, increased production, population, and social stratification.

the story goes that because of this belief, constantine was able to defeat his foes. constantine became an ardent1 christian. christianity and other religions were tolerated under constantine's rule. constantine also was responsible for the building of a great cathedral in rome.