the unfairness of the French government forced the French people to take action
the french revolution laid the groundwork for both the modern dictator and the cult of personality, while also laying the groundwork for true freedom of the masses. this is what makes it so double sided and interesting. the american revolution consolidated the unofficial aristocracy.
The french revolution was bloody, inhumane, and whatever concepts derived from it were crushed by Napoleons rise to power.
Because it culminated in a bloodbath of non-combatants, and failed in the end with the rise of Napoleon and the later return of the Bourbons.
The French Revolution was godless and bloody. It destroyed more of Paris than WWII did! The American Revolution was not searching for blood, and made peace as soon as possible. I could go on and on about this topic...
American revolution came first and helped inspire the French one. Also, 'Murica!