When the two kingdoms became one many of the religious beliefs and cultures were combined that lasted for over 3,000 years over this time many people changed their religion
The people of ancient Egypt were also different by their main source the Nile river. The river gave them water that the drunk and that they used to water their crops
They believed that the world was flat and that it was made of clay, they also thought that they floated on a really big sea.
They thought that all of the forces of nature could be identified as the children of a creator god.