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Land MigrationFirst people walk from Siberia across land bridge from Alaska to the present day US and settle across North and South America
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Native American TribesOne to two million Native Americans live in ten major cultural regions north of Mexico. The areas include the Northwest, California, the Great Basin, the Southwest, and the Great Plains
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Mexico declares its independence from Spain. Spanish lands now become Mexican land.
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Ellis IslandMore than 23 million immigrants arrive in the US from Europe, Mexico, China, Japan, and the Phillipines.
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