During this era, human technology boomed. In this era, nomads have started farming. Nomads have stopped moving from one place to another. They have started forging metal tools. They also started pastoralism. They have communities and tribe. They were able to create a system on their own.
An egalitarian society is a society that gives everyone equal rights.
B. Americas Declaration of Independence.
I think it's russia, i am unsure, sorry for answering so late :)