The fact that Black people were once the only race on the planet, it's not unthinkable to think they didn't inhabit every or at least explored most of the land on this rock. I've always known that the "native Americans" didn't just pop up out of nowhere (like how the Asians believe they got here) the base for all humanity, to its core comes from a Black man and women.
Analysis of ancient teeth questions theory that Native Americans originated from Japan
The biological evidence "simply does not match up" with archeological finds.