Beginning of Essay
According to archaeologist in order to be defined as a civilization certain criteria must be met. Early archaeologists believed in order to be considered a civilization a society must have cultural superiority, which meant they must have the ability to read and w ....

Middle of Essay
.... Signs of craft specialization are very apparent at . There are a variety tools and weapons made from obsidian, flint, stone and bone. A process called flint knapping, or chipping, was used to shape a stone, like flint, into a sharp tool which could be used in arrowheads. Another process that was used in making tools was called grounding. This involved using two stones one of which was struck against the other to shape it into the desired size, and then the stone was ground against another stone to make it sharp. This is often seen in ax heads and maces. Obsidian mirrors are made in the same grounding process. Bone needles used for stitch ....