They hunted and gathered. They didn't start farming until 10,000 years ago. They often moved to find food because the food sources weren't big.
They started farming and kept animals in fenced off areas. If their food in storage got low they could go into their backyard and kill an animal. They started having different jobs like farming, trading, weaving, and cooking
Humans stopped moving around and fighting. They also stopped having to travel long distances to find food.