Answer:
The correct answer is:
C. Humans had a steadier food supply.
The Neolithic Revolution, also known as the Agricultural Revolution, marked the transition from a nomadic, hunter-gatherer lifestyle to settled farming communities. With the development of agriculture, humans began cultivating crops and domesticating animals, which led to a more reliable and consistent food supply. This shift allowed early human societies to establish permanent settlements and led to the development of complex civilizations.