What is migration? define in long answer​

Explanation:

Migration is the movement of people from one place to another. Migration can be within a country or between countries. Migration can be permanent, temporary or seasonal. Migration happens for a range of reasons. These can be economic, social, political or environmental

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Explanation:

Migration is the seasonal movement of animals from one habitat to another in search of food, better conditions, or reproductive needs.The definition of a migration is a movement to another place, often of a large group of people or animals. ... Migration is usually a response to changes in temperature, food supply, or the amount of daylight, and is often undertaken for the purpose of breeding.

when the united states took over

answer; i believe the correct answer is enlightenment;