John Locke: Locke's philosophy emphasized natural rights, including life, liberty, and property. His belief in government by consent heavily influenced American revolutionaries.
Montesquieu: Montesquieu advocated for the separation of powers within government institutions to avoid tyranny. His ideas inspired the system of checks and balances in the United States.
Jean-Jacques Rousseau: Rousseau championed direct democracy and believed that governments should be based on the will of the people. His writings influenced revolutionary ideals of popular sovereignty.