Bering Strait migrations
At a glance:
- Series: American Indians Ready Reference
- Categories: Land Acquisition and Expansion, Territory Redistribution
- Subcategories: Native Americans, American Indians, Demographics, Population
- Curriculum: American Indian History
- Geographical Location: Russia, Alaska
- Date: Beginning c. 10,000
Article abstract: The first humans arrive in the Western Hemisphere.
About two million years ago, for reasons not entirely understood, Earth's temperature began to fall. In the north, more snow fell in winter than melted in summer, and great sheets of ice formed on the landmasses. These glaciers went through a series of advances and retreats—sliding forward under the influence of gravity and melting back under warmer climatic conditions.
At the same time, a group of primates (monkeys, apes, and their relatives) was evolving in Africa. The group of...
[The entire page is 1578 words long]
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