if their ribs weren't so sore from being kicked in by Russian jackboots for two hundred years...==
Polish-lithvinian ribs? There are reasons. They tried to invade Russia many times until Russia cutted them on pieces.
Since that they lived to dream of revenge:).
Now thier dream came true. Rzhech Pospolita arises again:). And Ukranians again want to become thier part. Let them be:).
I know that after time ukrainians will rebel as it was many time before:). Read "Taras Bulba" of ukranian novelist Gogol.