You can really see this effect on the North American West coast. The ice sheets from the last ice age covered Canada, but not much of the US. The fjords (we just call them inlets) stop abruptly at Washington State, so the coast is rocky and jagged above Seattle, and smooth with a lot more beaches below Seattle.

>You would be defending him if he was still a Democrat.

LOL. Sure, it's his voting record that concerns people. You nailed it. /s