History /
Polish flag over the Reichstag first? [399]
Newsflash, the only way Hitler could achieve victory was drawing Poland in and no german commander would dream of that and no thats not chauvinism or anything, Poland had over 1.5 milion additional soldiers, even with outdated equipment thats enough to, for example storm Leningrad.
Germany wanted to invade the country they perceived as having the greatest numbers in their military and could quickly become better armed and quite lethal. That could have very well been their motivation for invading Poland. Same goes for the USSR which led to the signing of the Rippetoe pact. This way it was one less thing for Stalin and Hitler to worry about.
The allies could have been taken by surprise, not expecting anything so quick and also not thinking Hitler would go back on his word. Perhaps the long term plan was to arm Poland as a westernized country in eastern Europe...Germany felt threatened and feared an inability to compete with it's larger neighbor.
USSR clearly saw the westernizing of Poland as a threat to the culture of eastern Europe. Capitalism was an evil, they thought. So both Germany and USSR had an interest in invading Poland.