The enlightenment philosopher heavily influenced government and society. Their principles which were based on reason and science, instead of religion, were incremental to the French Revolution, which borrowed aspects such as every man is born free, which helped push the French proletariat to overthrow the monarchy. The enlightenment philosophers also produced important literature such as the Encyclopedia (to cite one example), which were revolutionary texts, but also informational texts for the public.
Their philosophies were based around the idea that people should be self-governing and choosing their government meaning that it would be a democratic thing. Also, Montesquieu supported the idea of the separation of powers which is clearly seen in all democratic powers in the world.
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Life, Liberty, and Property
To ensure a seperation of the powers
each branch had its own powers and responsibilities.