Answer:

I think the answer can be found in Human History. Society evolved from non organized groups of persons to increasingly organized ones. That happened because the complexity of internal relations, resulting from differentiation of labor roll of persons and using of more sophisticated tools. In this context, with the production growing, differences appeared among people and with that, social classes. Those lead to some groups/classes to control over the rest of society, and consequently, to states formation and their governments.

Explanation:

I hope it's help;)