Which enlightenment ideas had an important effect on American government?

Enlightenment ideas significantly influenced American government, particularly the concepts of individual rights, separation of powers, and the social contract. Thinkers like john Locke emphasized natural rights, which inspired the Declaration of Independence's emphasis on life, liberty, and the pursuit of happiness. Montesquieu's advocacy for the separation of powers shaped the structure of the U.S. government into three branches, ensuring a system of checks and balances. Additionally, Rousseau's ideas about popular sovereignty informed the democratic principles embedded in American governance.