Answer:
One of the most common theories is that humans migrated from Asia to America through the Behing Strait between 15,000-40,000 years ago. There is no unanimity among scientists, because no found evidence has been deemed conclusive. They must have crossed on an iced land bridge, that´s the longstanding theory called the Bering Land Bridge. Such migrations were motivated by the search for new territory, food and hunting areas.
Explanation:
