Whose defeat ended the anti-Polish campaign that began with the idea to unify all the German and possibly also Germanic-speaking peoples in a single nation-state known as "Großdeutschland".?
Expulsion of Poles by Germany: The Expulsion of Poles by Germany was a prolonged anti-Polish campaign of ethnic cleansing by violent and terror-inspiring means lasting nearly half a century. Expulsion of Poles by Germany:  It began with the concept of Pan-Germanism developed in the early 19th century and culminated in the racial policy of Nazi Germany that asserted the superiority of the Aryan race. Expulsion of Poles by Germany:  It ended with the defeat of Nazi Germany in 1945.
i don't know