Indeed. Poland and its various bits have a very complicated history, involving Lithuania, Austrian-Hungarian Empire and then Nazi Germany, Russians and the Soviet Union.
Where we live in Slaska, which was German speaking, it is easier with older people to converse in German than English, but not Basia's Mother who was born in Belarus(then Polish), transported to Siberia for 5 years because she was not Russian, and then repatriated to the reconstructed(care of Yalta) Poland.
Churchill and Roosevelt are not liked for giving Poland to 'Uncle Joe' Stalin at Yalta. A view I can sympathise with since the British entered the war on 3rd Sept. 1939 to protect Poland. Plus, so many Poles went to England and gave their lives to fight against the Nazis.
Being an island(s) the UK has largely been protected from the to-ing and fro-ing of wars across the North European plain.
Geoff
EDIT We live not far fron Auschwitz(Oschwiem in Polish) I know enough of want went on there and I think it has been sterilised. Basia as a school teacher had to take her studendts there. Neither of us want to go there. Your choices.
I think at Yalta, Churchill could have been 'overruled' by Roosevelt who was more sympathetic to Stalin's demands, wanting him to help out the USA against the Japs?
The UK badly treated the Poles again, due to pressure from Stalin, by not inviting them to take part in the 1946 London Victory Parade.