It's not difficult to imagine an alternate history in which the nazis did a little better and the allies a little worse, in which the end result was a ceasefire and peace - which would see the allies recognise the legitimacy of the nazi state, based on, exactly, it's possessions at the time of the ceasefire.
Come to think of it, possession by the red army was exactly how eastern Europe ended up vassals to USSR after WW2.
Come to think of it, possession by the red army was exactly how eastern Europe ended up vassals to USSR after WW2.