| A | B |
|---|
| food surplus | first requirement of a civilization |
| surplus | more than enough |
| social class | people who have the same status within a community |
| status | importance in a community |
| monumental works | large buildings requiring the organized labor of many people |
| population | number of people living in a place |
| density | a measure of how crowded a place is |
| specialized labor | people doing different kinds of jobs |
| social stratification | system where some people are considered more important than others |
| record keeping | written language developed to keep track of goods traded |
| pictograph | picture that stands for a word or an idea |
| scribe | person whose job it is to write and keep records |
| warrior | person whose job it is to fight; soldier |
| labor | another word for work |
| drought | long periods of time with little rain |
| irrigate | use dams and canals to bring water to planted fields |
| silt | rich, fertile soil deposited when a river floods |
| plain | large area of low, flat land |
| plateau | large area of high, flat land |
| artisans | skilled workers who made goods by hand |
