Question

What was the relationship between government and the social classes of early civilizations?

Answer 1

This had a direct relation, because highly social classes were the ones who governed, if not, they had big influence in important decisions.

Most of this happened, because influence was a synonym of money and social status, even today still like that. Then, during Empires, titles were often bought by this wealthy social classes.

Answer 2

I hope this helps.It's a short answer.
The leaders of government were usually among the highest classes in the cities