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Human migration - Wikipedia, the free encyclopedia (1446 words) |
 | Migration and population isolation is one of the four evolutionary forces (along with natural selection, genetic drift, and mutation). |
| Forced migration (see population transfer) has been a means of social control under authoritarian regimes, yet under free initiative migration is a powerful factor in social adjustment (e.g. |
| Western historians refer to the period of migrations that separated Antiquity from the Middle Ages in Europe as the Great Migrations or as the Migrations Period. |
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