| A | B |
|---|
| revolution | a complete change in ways of thinking, working, or living |
| domesticate | change the growth of plants or behavior of animals in ways that are useful for humans |
| surplus | extra |
| specialization | the act of concentrating on a limited number of goods or activities |
| reliable | dependable, steady, not risky |
| benefit | favorable results |
| economy | the system that a community uses to produce and distribute goods and services |
| civilization | a complex society that has cities, a well organized government, and workers with specialized job skills. |
| resource | a supply of something that can be used as needed |
| religion | a set of shared beliefs about supernatural powers that created and rule the world. |
| social classes | groups of people that occupy different ranks or levels in society |
| distribute | to divide and give out |
| established | to set up officially |
