Why does racism still exist? what are some of the steps that would be necessary to eliminate racism, not only in the united states, but also in other parts of the world?

Because people feel that the color of your skin makes you different when really it doesn't. how to eliminate would be to stop teaching kids that just because you are white or black or brown youre different beacuase everyone has the same insides like we are all human there really is no difference  

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.