The French Revolution brought about significant social upheaval in Europe by dismantling the feudal system, challenging monarchies, and promoting the ideals of liberty, equality, and fraternity. It catalyzed the spread of nationalist sentiments and inspired revolutionary movements across the continent, leading to the eventual spread of democratic ideas. The Revolution's challenge to the established social order disrupted class hierarchies, empowering the bourgeoisie and creating tensions between various social groups. It also sparked fears among monarchies, leading to a wave of counter-revolutions and the re-examination of governance and social contracts in many European nations.