Why did the Enlightenment have such a profound impact on the American and French Revolutions?

The Enlightenment caused economic depressions that led to the revolutions.
The Enlightenment caused economic depressions that led to the revolutions.

Enlightenment ideas about governance and rights provided a philosophical foundation for the revolutions.
Enlightenment ideas about governance and rights provided a philosophical foundation for the revolutions.

The impact was minimal; the revolutions were primarily motivated by the desire for new leadership.
The impact was minimal; the revolutions were primarily motivated by the desire for new leadership.

The Enlightenment had no real impact; these revolutions were driven by unrelated factors.

Enlightenment ideas about governance and rights provided a philosophical foundation for the revolutions.