| A | B |
|---|
| A.D. | Ano Domini-in the year of the Lord |
| B.C.E. | Before the Common Era |
| B.C. | Before Christ |
| nomads | people who wander from place to place |
| agriculture | raising of crops for food |
| domestication | taming of animals such as cattle, goats, sheep, and pigs |
| hunter-gatherers | early people who lived by hunting animals and gathering plants for food |
| civilization | complex culture that can produce a surplus of food, establish large towns with a government, and has people who perform different jobs |
| division of labor | characteristic of civilizations in which different people perform different jobs |
| artisans | skilled workers |
| cultural diffusion | spread of culture from one area of the world to another |
| empire | form of government that unites different territories and peoples under one ruler |
| dynasty | family of rulers whose right to rule is hereditary |
