What was Montesquieu contribution towards french revolution?

Montesquieu's contributions to the French Revolution primarily stemmed from his political philosophy articulated in "The Spirit of the Laws," where he advocated for the separation of powers within government. His ideas influenced revolutionary thinkers by promoting the notion that political authority should be divided among legislative, executive, and judicial branches to prevent tyranny. This framework for governance became foundational for modern democratic systems and inspired the revolutionaries who sought to challenge absolute monarchy in France. Ultimately, Montesquieu's advocacy for liberty and checks on power helped shape the ideological underpinnings of the revolution.