What was the migration route for native americans

The Beringia theory, talks about that in the Ice Age, so much water was frozen into glaciers that the sea level dropped low enough to reveal a land bridge connecting Siberia and Alaska. The theory is that humans from Siberia walked across the Bering land bridge, following large game, and entered North America that way. From there, they spread south and across the continents.

the answer is a. hope this

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