There are two basic kinds of migration—internal and external. Internal migration occurs when someone moves from one section of a country to another, usually for economic reasons. The most notable example of internal migration has been the movement from rural regions to cities. This kind of migration has occurred since the earliest recorded periods of civilization. | | | Reasons of migration | | |
If people are satisfied where they are, they will not migrate. For migration to take place, there must be some factor that pushes people out or that pulls them to a new environment. Throughout history, people have left their native lands for a variety of reasons: religious or racial persecution, lack of political freedom, economic deprivation.
Obstacles to Migration | | | | | |
Becoming an emigrant is no easy matter. For an individual it means leaving home, family, friends, and a familiar social environment to take one's chances in a new place. For groups of people the situation is much the same; they must uproot themselves from one society to move into another. They probably will not know the language, the customs, or the laws. Forced Migrations | | | | | | At an African slave market black slavers have brought their victims to European purchasers | |
Not everyone who emigrates does so as a matter of choice. Sometimes external circumstances over which one has no control force a move. Natural disasters such as famine or earthquake may impel people to relocate, but the major causes of forced migration have been war, the slave trade, and deportation.
HISTORY OF MIGRATION
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Throughout Asia, Europe, and Africa there were many mass migrations in the prehistoric era. These movements, however, are undocumented. What is known of them comes from the findings of archaeologists and the legends of ancient societies.