While the germans, spaniards, italians, french kicked the jews out of their countries and murdered them for silly reasons such as "kidnapping children" and "Killing Jesus", the poles embraced the jews and let them practice their religion in peace.
The history of the Jews in Poland dates back over a millennium. For centuries, Poland was home to the largest and most significant Jewish community in the world. Poland was the centre of Jewish culture thanks to a long period of statutory religious tolerance and social autonomy. This ended with the Partitions of Poland, in particular, with the persecution of Jews by Tsarist Russian authorities.
You can read more here: en.wikipedia.org/wiki/History_of_the_Jews_in_Poland
And don't even bother replying on this post Harry and Delph since i dont give a crap about your opinion you trolls :)