Complex sentence: Her work also had a lasting impact on the original feminist movement which gathered in Paris salons and during the Age of Enlightenment, one aim of which was to promote educational equality between sexes to help lower-class women escape their condition and prostitution.
Split into simpler sentences: Her work also had a lasting impact on the original feminist movement which gathered in Paris salons. These famous venues, other that contributing greatly to the ideas that emerged during the Age of Enlightenment, one of which was to promote educational equality between sexes to help lower-class women escape their condition and prostitution.