What is the role of philosophers …

The role of philosophers in the French revolution are as follows:)
(1) During 18 th century , France had many revolutionary thinkers.Among them were Voltaire , Rousseau , Montesquieu and Dederot .Their revolutionary ideas helped the people to fight for their rights .
(2) They exposed the inefficiency of the monarch and and his government.
(3)Voltaire's ideas encouraged people to fight against the privileges and finance of the Church without guilt.
(4) John Locke propounded the ideas refuting divinity and absolute rights of monarch.
(5) Montesquieu believed that all the powers should not be concentrated in one person's hand.
(6)Rousseau asserted the doctrine of democracy and popular sovereignty. He believed that the government should be based on the consent if the governed .He wrote a book known as " Social Contract" .
(7) Thus the ideas of the philosophers were a direct attack on privileges and feudal rights which protected the upper classes. They played a vital role in bringing about the revolution.