Well, it's quite nervy of me, but I think I have the beginnings of a decent summary of the four main theories about how Homo sapiens made their way into the American continents.
Here's the summary: The Population of America
And here are the four theories:
- Clovis and the Ice Free Corridor
- Preclovis and the Pacific Coast Migration
- Solutrean Precursors to Clovis
- Trans-Pacific Contacts
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