About the Constitution The Constitution of the United States is the cornerstone of our American government. In 4,543 words this document describes the structure or plan of the government and the rights of the American people. The Constitution is known as a "living document" because it can be amended. Since its ratification, it has only been changed (amended) 27 times. The Constitution is a strong document, more powerful than any branch of government or any state. At the same time, it is flexible enough to allow for freedom and changes in America. The Constitution is organized into three parts:
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