I bet you blame the Palestinians for the bombing of Raffa.

Well, you've just lost your bet. I condemn both the genocide of Palestinians (done by the USA through Israel), and the genocide of Ukrainians (done again mostly by the USA through Ukrainian government. Damn, those guys really do like massacring people all around the globe :/, almost like they are the bad guys, hm...).

You would blame World War II on the Polish.

Nope, I don't, good thing you didn't make a bet on it, otherwise you'd lose two bets in a row.
But I do blame Poland for participating in massacring Ukrainians though. In fact, Poland is among the worst offenders! It helps "heroes" of Ukrainian border guard to catch those who try to escape Zelensky's meatgrinder, who then get sent straight to the meatgrinder.. For that reason, people mostly escape to Romania. Thankfully, Romania is not as sadistic as the rest of the democratic & free world.