C. I just read about this and took the same quiz!^^ good luck.
That it led to more free time and that it sparked their creativity to invent stuff, such as fire or the wheel. Domesticating animals led them to a whole new civilization, it gave them surplus amounts of food. That made the civilization thrive with people. Agriculture was a major factor.
Hoped this helped.
~Bob Ross®
Candidates from the same party ran against each other.