The United States Constitution is supreme law in the United States of America. The Constitution defines the framework of national government. The first three articles of the Constitution embody the doctrine that the federal government can be divided into three branches, namely the legislative, the executive and the judicial. The concepts of federalism are embodied in Articles IV, V, and VI, which describe the rights and responsibilities that state governments have with respect to the federal government. The United States Constitution, which is the supreme legal document of the United States of America, was ratified by thirteen States using Article VII. Its first three articles embody doctrine of separation of powers. The federal government is divided between three branches, the legislative, the executive and the judicial. Articles IV, V, and VI are based on the concept of federalism. They describe the rights and responsibilities that state governments have in relation to the federal government. Article VII outlines the process by which the thirteen States will ratify the Constitution.