In WW2 it is known that Poland was totally pwned by the nazis and even though their army was rather large it did not stand a chance against the blitzkrieg.
But Poland was a large nation with a fairly large population, area, and strong national identity. What if it were to undergo an ultra-nationalistic leadership similar to that of the Nazis (but without the ethnic slaughter and plans for taking the world), build up a powerful military-industrial complex, and become a major power in Eastern Europe? Perhaps the Polish government can even make a new ideology, similar to that of Juche in North Korea? Then we'd have a crazy totalitarian Poland with a powerful army, a crazy Germany, and a crazy USSR all in a line.
How would things go down? Was this possible?
My bet is that the French and Great Britain won't be as willing to help Poland in case of war. Hitler may actually to tempted to not attack Poland first, and stick to smaller nations. Or, Germany may waste all its energy on Poland and lose earlier.