I got bored with my complete inability to manage contentment and decided to declare war on Piedmont to reclaim Savoy and Nice for France.
I overran the entire country, save Sardinia, capturing most of their forces when they decided to hole up in fortresses. The entire campaign took only a few weeks.
However, I don't have nearly enough war score to claim Savoy and Nice. Piedmont will occasionally offer one.
Will I ever have enough (you need 218 and I only have 105 war score right now, after almost a year of continuously occupying them)?
This reminds me very much of a Paradox game, where war score and obstinate AI are put in place to increase difficulty.