| A | B |
| canal | a man-made waterway |
| civilization | the most advanced stage of human development and organization |
| code | a collection of organized laws |
| Fertile Crescent | fertile land in the Middle East in a semi-circle from the Nile to the Tigris and Euphrates Rivers |
| flooding | covering or filled with water |
| Indus River Valley | major river valley in Asia, in what is today Pakistan |
| irrigation | supplying with water by man-made methods |
| job specialization | members of a community perform jobs that they are most suited for |
| law | a rule of conduct enforced by the government |
| Mesopotamia | the land between the Tigris and the Euphrates Rivers |
| polytheism | a belief in many gods |
| scribes | a class of scholars and copiers who were the basis of the government, the army and the priesthood |
| temple | a building for worship |