| A | B |
|---|
| Push Factors | force people to leave a place |
| Pull Factores | attract people to a place |
| Ethnic persecution | treated badly because of their cultural backgrouind |
| religious persecution | treated badly because of their religious beliefs |
| Environmental factors | events such as weather, storms, earthquakes, volcanoes, famine |
| Forced Migration | enslavement of Africans in the 1800s; Relocation of Native Americans on Reservations |
| Land Bridge | opened up the Americas to settlement thousands of years ago |
| Physical barriers | mountains, deserts, etc. that prevent people from moving to a particular area |
| Social factors | concern how people organize as groups |
| Migration | moving from one place to another |
