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alternatehistory.com
A quite common scenario for alternative WWII is to have Germany to keep Pomerania and Silesia, something close to this map:
Here the questions: Let's say that Stalin simple decides that a strengned east germany is needed, or for plausibility reasons, he dies and someone else draws the map of east europe allowing Germany to keep these two territories. What are the implications in both poland and in the DDR? And after the annexation, would germany be even richer than OTL?