We have to move, there is no more food here for us.
Okay, I guess we must find a new cave else where...
In the Paleolithic Era they made tools and weapons out of stone. They where also nomads a nomad is someone who dos not stay/live in the same place forever ,they move around.They learned how to hunt in groups to.
the Neolithic Era began about 11,000 years ago. They also discovered farming and domesticating animals. They also settled in one place, and had stone/bone tools.
Civilizations have cities that are centers of trade for very large areas. Also Civilizations have technologies that make their lives easier like: wheel,plow and the sail boat. Civilizations also have writing.