COMPROMISE 5-THE SLAVE TRADE COMPROMISE (20 YEARS).   PHILOSOPHICAL SOURCES OF THE CONSTITUTION 1- MONTESQUIEU ’S THE SPIRIT OF THE LAWS: Separation of Powers 2- ROUSSEAU ’S SOCIAL CONTRACT: Limited Government, Popular Sovereignty. 3- JOHN LOCKE ’S TWO TREATIES OF GOVERNMENT: People’s Rights. 4- ADAM SMITH : FOUNDATIONS OF CAPITALISM.