Sigh, they did not join Germany in anything. The Germans simply didn’t care what Poland did, because they knew they’d get it all anyway in another year.
Never said Poland was perfect.
Lets be clear...I’ve provided two specific examples where Poland did in fact join Germany, first with the 1934 non-aggression treaty that created a settled border between the two countries and again in 1938 when Poland followed Germany in the invasion/annexation of Czechoslovakia territory. Not to mention the bilateral trade deals between the two countries which helped Hitler rebuild the country.
Perhaps it would be more accurate to say Poland did not join France in anything during the years leading up to WW2.
/sigh