There were widespread agrarian societies during the era.

After the Paleolithic Period, also known as "Early Stone Age" or "Old Stone Age", distinguished by the first use of Chipped Stone Tools, followed the Mesolithic Period, marked by the development of hunter/gatherer societies, with more sophisticated tools including pottery; and then the Neolithic Revolution started, which was the transition from a hunting/gathering lifestyle to an agricultural society, marked also by settlement and the increase of the population.

Thereby "The Neolithic Era".

Explanation:

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