Impossible because the left and right are not neatly packaged in different geographic areas.
Leftists are in our towns, on our streets and sometimes even in our own homes.
And we’re in theirs.
In our own country, we can change the way laws work based on the dominant lib cancer zones—the big cities. We can politically “dismantle” them. The rats will then scurry to the blue country—displacing them NORTH of the North border, or SOUTH of the Southern border. :-) Can you image how fun it’d be to the protect OUR borders!? No mamby pamby politics.