The Saxon question was badly managed by the Prussians though to fuel unrest and uproar against them.

The allies imprisoned the Saxon king; the Prussians took by force about forty percent of the country with a proportionate share of the Saxon Army. 'Badly managed' is an understatement. Frederick the Great had savaged Saxony in the Seven Years War, and the Saxons were forced to ally themselves to the Prussians in 1806. Prussia had her eye on Saxony, and the rest of Germany by the way, for quite some time. The 'celebrated' Prussian War of Liberation was actually the 'liberation' of as much of western and southern Germany that the Prussians could get their hands on.

And that would lead to a continuation of the rivalry with Austria as to whom would rule in Germany-Prussia or Austria. And then Bismark's so-called Wars of Unification against Denmark, Austria, and France. And that would lead to Wars I and II...