[P.O.E.]

One of Stalin’s first acts in WWII was to execute the Polish military leadership because they were so formidable.

https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/csi-studies/studies/winter99-00/art6.html

[Reily]

They kicked the Red Russkie ass when Trotsky took the Red Army into Poland in 1920.

https://en.wikipedia.org/wiki/Polish–Soviet_War_in_1920

Not bad for a nation that didn’t exist 3 years earlier!