Still, that does not explain why you chose that era to use the names from. It was not the correct time (as during the NATO and Pact times the Germanies were “independent” nations), and not the current time (as there is noWarsaw Pact anymore).
Actually, “it turned out after the war that all of it was NATO” …
What was the reason to use the intermediate era and thus historically misleading names?
I thought it was occupied until the wall fell in the 80’s/90’s?