| A | B |
| society | group of people sharing a culture |
| social structure | organized relationships among groups of people |
| social classes | groupings of people based on rank or status |
| nuclear family | mother, father, and children |
| extended families | families that include several generations (grandparents, parents, children) |
| cultural diffusion | movement of customs and ideas |
| acculturation | accepting new ideas and fitting them into a culture |
| example of cultural diffusion | playing baseball in Japan |
| the family | basic, most important social unit of any society |
| common in developed nations such as the U.S.A., Australia, and Germany | nuclear family |