Poland in 1939 was an authoritarian state with no real civil liberties and a strong antisemitic streak.
Ukraine has been invaded by Nazis, or more likely fascists, real ones. See TIK for definitions if you like.
Czechoslovakia was itself a semi-socialist, nationalist state with not entirely clean hands vis a vis national minorities. Thats one reason Slovakia immediately broke away in 1938 and became enthusiastically Nazi.
You can always find fault in a victim, if you favor the criminal.
The Czechs were brutalized by the Germans.
Ever hear of Lidice?
War is always a tango. Good and bad sides.