| A | B |
| Fertile Crescent | a region with good conditions for growing crops that extends from the Mediterranean Sea to the Persian Gulf |
| Mesopotamia | the wide, flat plain between the Tigris and Euphrates Rivers |
| Irrigate | to supply water to |
| City-State | independent state consisting of a city and its surrounding lands |
| barter | trading system in which people trade goods directly without using money |
| polytheism | the worship of many gods or dieties |
| ziggurat | a brick, pyramid shaped Mesopotamian temple |
| cuneiform | system of writing that uses triangular-shaped symbols to stand for ideas or things (Mesopotamian) |
| distinct | separate or unique |
| prosper | gain in wealth |