For the constitution to be ratified, however, nine of the thirteen states were required to approve it in state conventions. Opposition to ratification ("Anti-Federalism") was partly based on the Constitution's lack of adequate guarantees for civil liberties. Supporters of the Constitution in states where popular sentiment was against ratification (including Virginia, Massachusetts, and New York) successfully proposed that their state conventions both ratify the Constitution and call for the addition of a bill of rights. The U.S. Constitution was eventually ratified by all thirteen states. In the 1st United States Congress, following the state legislatures' request, James Madison proposed twenty constitutional amendments, and his proposed draft of the First Amendment read as follows:
