A Probe into the History of the Ratification of the American Constitution Chu Leping (95) The history of the ratification of the American Constitution is an important component of the founding of the United States of America. The purpose of this essay is to examine the role of the Federalists and AntiFederalists in the course of the ratification of the Constitution through the study of the process of the ratification and the causes and consequences of the ratification of individual states.