Small communities, nomadic lifestyles, and hunter-gatherer societies were all characteristics of the

A Neolithic Era

B. Paleolithic Era

C Bronze Age

D. Iron Age

The answer to this question is B. Paleolithic Era.

Explanation:

The reasoning for this is because during the paleolithic era, people lived in groups of about 50, and they lived in tribal societies. These societies were nomadic and they traveled a lot. The neolithic era was the era after the paleolithic era, when people started to settle down and learn to farm and herd animals.