Did the U.S. prevent Iraqis from marrying Americans in 2003? What about Afghans in 2001?
England and the US definitely allowed Germans to move to the country before, during, and after the conflict - and plenty of them. You'd be grilled by authorities for sure, and probably observed for months afterwards, but that's it. And here you're equating members of a political party with people born in a certain country, which is not really fair.
> Should the Ukraine allow a million Russians to marry on Zoom and come live in Kiev?
Why not? They would see first-hand the result of misguided policies and likely support Ukrainian instances. Unless, of course, you think there is such thing as a "Ukrainian race" worth preserving...
Israel has said Palestine is not a nation, and has worked to block Palestine from entering the UN as a member state.