The Constitution was ratified by state conventions and amended twenty-seven times

Evidence

The United States Constitution was adopted on September 17, 1787, by the Constitutional Convention (or Constitutional Congress[citation needed]) in Philadelphia, Pennsylvania, and later ratified by conventions in each U.S. state in the name of “The People”; it has since been amended twenty-seven times, the first ten amendments being known as the Bill of Rights. — Thomas Jefferson, Declaration of Independence, 53

Categorization

• XREF: The Bill of Rights reference connects directly to the course’s later material on individual rights protections.