Papyrus plant was used to make paper. It's found along the banks of the Nile river. It's very dangerous to get these plants because crocodiles live in papyrus. The Egyptians cut out the sides and use the insides. They mash it together and let it dry in the sun.
The Middle Kingdom was another period of time lasting from 2000 bc to 1700 bc. During this period Osiris became the most important deity in popular religion.