| A | B |
| Mesopotamia | the region where the Tigris and Euphrates rivers flow |
| Floodplain | The flat land bordering the banks of a river |
| Silt | the rich soil deposited by rivers |
| Drought | a period when not enough rain and/or snow falls |
| Surplus | more than is needed |
| Civilization | an advanced form of a culture |
| Sumer | a region in southern Mesopotamia and the site of the first civilization |
| City-State | a community that included a city and its nearby farmlands |
| Ziggurat | the largest and most important structure in a Sumerian city |
| Polytheism | the belief in many gods |
| King | the highers-ranked leader of a group of people |
| Bronze | a mixture of copper and tin |
| Pictograph | picture writing |
| Stylus | a sharpened reed used to make markings in clay |
| Cuneiform | wedge-shapped writing |
| Scribe | a person who specialized in writing |
| Advanced | beyond others in development or progress |
| Current | a flowing part of a river or stream |
| Mouth | the part of the river that empties into a larger body of water |
| Reed | the hollow stem of a tall grass |
| Hanging Gardens of Babylon | was in ancient Babylon, and it was an artificial _____ is a mountain covered with gardens |
| Tribute | is a payment for protection |
| Exile | is the forced removal of people from their homelands |
| Justice | is fair treatment |
| Code of law | is a set of written rules |
| Hammurabi | was a powerful Babylonian ruler who developed a single body of laws |
| Emperor | is the ruler of an empire |
| Empire | Many different lands and people under one ruler |
| Fertile Crescent | is an area of fertile, curved land along the eastern Mediterranean Sea |
| Anatolia | is an area in Southwest Asia, also called Asia Minor, within modern-day Turkey |
| Toleration | is allowing people to keep their customs and beliefs |
| Province | is an area or land similar to a state |
| Satrap | is a governor of a province in the Persian Empire |
| Royal Road | is a 1,775-mile long highway built across the Persian Empire for sending |
| Battering Ram | is a large, wooden beam used to knock down walls or gates during a siege |
| Class | is a group of people having about the same social and economic standing |
| Governor | is a person chosen to rule over a colony or territory |