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Answer :

Answer:

Bering land bridge

Explanation:

There is a land bridge theory that states that Native Americans orginally crossed over to North America via a land bridge that connected what is now modern day Russia to what is modern day Alaska.

Answer:

The ancestors of living Native Americans arrived in what is now the United States at least 15,000 years ago, possibly much earlier, from Asia via Beringia. A vast variety of peoples, societies and cultures subsequently developed.

Explanation: