> caucasian!
There is no evidence Native Americans originated from the Caucasus regions. We have remains that have been dated to as far back as 12,707–12,556 years BP. Accordingly:
> Paleogenomic analysis of the remains revealed Siberian ancestry and a close genetic relationship to modern Native Americans, including those of Central and South America.[1][3] These findings support the hypothesis that modern Native Americans are descended from Asian populations who crossed Beringia between 32,000 and 18,000 years ago.