In what ways did Locke Rousseau and Montesquieu influence American Democracy?

john Locke's ideas formed the basis of the American Declaration of Independence, especially his idea about the social contract, that it is the citizens' duty to rebel if monarch does not give them human rights and the basic human rights, that of life, liberty and property.

Rousseau contributed the idea of democracy as a form of government.

Montesquieu said that there should be a bicameral house (House of Representatives and Senate) as well as balance of power between split government branches (Legislative, Executive, and Judiciary)