With a Pod at in November 1918 or later, make it happen that Germany is able to revise or dumb down as many parts of the OTL Peace treaty as possible, through asymmetric or symmetric warfare.
The ones I think are the most plausible are keeping Memel and more of Silesia due to more successfull Freikorps.
The ones I think are the most plausible are keeping Memel and more of Silesia due to more successfull Freikorps.