First of all, the date people first crossed the Bering straight isn't the genesis of the Inuit people. The rest of the Americas were colonised first, probably

First of all, the date people first crossed the Bering straight isn't the genesis of the Inuit people. The rest of the Americas were colonised first, probably because the arctic is so inhospitable. Proto-Inuit culture only appeared a few thousand years ago: https://en.wikipedia.org/wiki/Thule_people https://en.wikipedia.org/wiki/Thule_people