Has it been so long since Hamilton came out that you kids forgot this was even a plot point there?
https://www.history.com/articles/how-did-the-american-revolution-influence-the-french-revolution
After a significant amount of:
https://en.m.wikipedia.org/wiki/France_in_the_American_Revolutionary_War
French elites and non-Arisocrats got familiar with the American revolution enough to both see the post-Enlightenment period ideals as socially palatable, and also see that an internal conflict supported by an external power could be successful.
Expecting reciprocal aid from the Americans (womp womp), the French Revolution started, and the Americans stayed out of it because they still saw their support as from the Kingdom of France despite commonalities of both reasons and even people involved in the French Revolutionary side.
And 2 to 5 backup plans.