| A | B |
| Fertile Crescent | A region of the Middle East stretching from the Persian Gulf to the Mediterranean Sea and included the region known as Mesopotamia |
| Irrigate | supply water to crops |
| City-State | Independent city with a government that includes the surrounding territory, farmland |
| Barter | trading in which people exchange goods without money |
| Polytheism | worship of gods, many |
| Ziggurat | religious temple and step like pyramid |
| Cuneiform | A writing system that uses triangle shaped symbols to stand for ideas or things |
| Empire | state made up of several countries or territories |
| Cultural Diffusion | spread of ideas and customs to a region or nation |
| Export | goods or services sold outside a country |
| Import | goods or services brought into a country from another country |
| Stele | Carved stone slab or pillar |
| Currency | Money that is used to make exchanges, usally in coins or bills |
| Rule of Law | The idea that all members of society must obey the law |
| Hammurabi's Code | A set of laws created to govern an empire created by King Hammurabi |
| Cultural Trait | An idea or way of doing things common to a culture |
| Ally | independent states working together |
| Empire | A state containing several countries or territories |