After WWII, what country lost much of its eastern territory to Russia, but did pick up much of Pomerania, Silesia and East Prussia?

Question: After WWII, what country lost much of its eastern territory to Russia, but did pick up much of Pomerania, Silesia and East Prussia?
Answer: Poland

Category: History
Trivia Crack -  After WWII, Poland lost much of its eastern territory to Russia, but did pick up much of Pomerania, Silesia and East Prussia.