This work examines the economic interests that influenced the drafting and adoption of the Constitution in 1787. It posits that social progress arises from the conflict of various societal interests, some of which supported the new Constitution while others opposed it. The study identifies the social classes and groups present in the United States at that time, analyzing how their economic stakes shaped their support for the new governmental framework. By focusing on the material conditions and property interests of these groups, the author provides an interpretation of the Constitution that emphasizes the role of economic factors in political change.