Humans migrated to the Northern continent during the last Ice Age through different routes, including the Bering Strait and coastal migrations. Various theories explain the migration patterns and challenges the previous Ice-Free Corridor model.
Archaeologists believe that humans migrated to the Northern continent during the last Ice Age either by crossing the Bering Strait into Alaska or by sea. There are theories suggesting different migration routes, such as the Coastal Route model, which proposes that people expanded along the coastline from northeast Asia and south down the Pacific Coast of North America.
One theory, the Ice-Free Corridor model, previously widely accepted, suggested a passage between glaciers into the western Great Plains of the United States. However, newer evidence has brought forth alternate theories like the Aboriginal Pacific Coast Highway, proposing a coastal migration route along the western coast of North America.
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