If Trump, god forbid, were elected, one of the things he has threatened is to withdraw from NATO and let Putin just overrun Europe. It will be difficult to do anything economically when being actively invaded by someone who doesn’t care about the lives of his own soldiers, much less that of civilians.
That’s with Western weaponry helping out. But with orange man, Europe would be on its own. I can only hope you’re right with Poland if things go south.