As the human civilization grew, we started to get smarter. As these two hunter-gatherers gather food from this animal. Before the agriculture, people relied on hunting animals, and gather plants for food. These people were know as hunter-gatherers.
People moved place to place following the herds of animals, they would stop at caves to rest. The Agricultural Revolution occurred around the end of the stone age, people started to stay put near water.
As the early humans moved, they had no longer had to move from place to place.The Agricultural Revolution occurred around the end of the stone age, which meant they were farming crops, and keeping cattle.