How many years do you think?

Questions about the answerer are not allowed here.

No amount of "mixing" will ever make all of us the same colour. That's simply not how passing on genetics works.

Couples of "halfwhite" people can still have "fullwhite" children

No one cares

Well racism would end since everyone would be the same race

that will be a sad day

The Nazis characterised Jews as having different nose shapes, that was enough for them

Let's look t the middle east for the answer.

Then people will fight over religion or water or arable land or something else. That's just human nature.

America has been ruined by dumb people.

I don't see why that would ever happen. but maybe the world would be a more peaceful place if it did.

Never you moron. Race mixing is nothing new and most people don't race mix.