| A | B |
| City-State | a self-governing city and its surrounding area |
| Culture | the knowledge, beliefs, customs and values a group of people have in common |
| Cuneiform | the world’s first system of writing |
| Epic | a long poem telling stories of heroes |
| Government | sets and enforces laws and services in a region |
| Empire | lands and people governed under a single rule |
| Hammurabi’s Code | one of the earliest known forms of written laws to govern daily life |
| Social Hierarchy | a system that grants more power to some individuals and less to others |
| Irrigation | a way to supply water to an area |
| Monarch | single ruler of an empire or kingdom |
| Monotheism | belief in one god |
| Pictograph | a system of writing based on pictures |
| Polytheism | belief in many gods |
| Scribe | a person who writes |
| Silt | a mixture of fertile soil that makes for good farming, often a result of flooding |
| Temple | a religious building, like a ziggurat |