Such policies have never been established in any western country in the past.
shows what you know then abot history. Ive just given you ONE example of a western country that has done what you suggested. It failed.
Multicultralism is another word for third world immigration.
so your calling Poland a third world country? i dont agree with that.
People have ALWAYS went to economic centres throughout HISTORY in order to find work and money
Rome, in the early AD
Marco Polos, silk route
Then the industrial revolution it was the lkes of London, Paris, Milan for eg.
Up to recently it was the USA
Now europe is gaining and people go to west europe.