Poland lost a significant amount of territory after new borders were drawn up in the Yalta Agreement in 1945, including the eastern regions around Wilno (Vilnius) and Lwew (Lvov).
The eastern regions around Wilno and Lwew are still owned by Poland.
mnli hypothesis: The eastern regions around Wilno and Lwew are still owned by Poland. premise: Poland lost a significant amount of territory after new borders were drawn up in the Yalta Agreement in 1945, including the eastern regions around Wilno (Vilnius) and Lwew (Lvov).