Answer:
climate change, land degradation etc. (more info below)
Explanation:
There are many global environmental changes that could cause human migration. Apart from climate change, land degradation in the form of nutrient depletion, soil erosion, contamination and salinisation can also contribute to changes that contribute to migration.
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<span>The goddess of discord (Eris), unhappy to have not been invited to a marriage, threw a golden apple on a table and claimed that it belonged to the fairest goddess. Athena, Hera and Aphrodite all claimed the apple, and Paris was taken to decide who should have it. Aphrodite promised him the most beautiful women that existed if he chose her, which he thus did, hence she told him he could claim Helen (the wife of Menelaus, Sparta's king) as his wife. The abduction of Helen by Paris started the trojan war.</span>
Lateen sail, astrolabe, magnetic compass, rudder, mapmaking skills (Latitude and Longitude), Caravel (let ships sail INTO the wind); All helped with European Exploration; Islamic scholars saved Greek and Roman texts, zero, medical advances, numbers/algebra
Answer: They were turned away by members of the Arkansas National Guard.
Explanation: September 4, 1957 was the first day of classes at Central High. Governor Orval Faubus called in the Arkansas National Guard to block the black students' entry into the high school. Later on, Eisenhower sent in federal troops to escort the Little Rock Nine into the school. It drew national attention to the civil rights movement.
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Answer: 10 million Africans had been sold by the 1800s, about into slavery in the Americas.