Call Putins bluff. How and with what?
Pres Pussywillow is way over his head
Ukraine is calling up its reserves (which amounts to every male under 40 who is willing to show up, in a country of 50 million, and maybe a few of the women too, judging by what evolved at the protests.)
Supply 'em. Supply the Poles with whatever they want, too.
We are still very good with that sort of logistics stuff.