<P> Anti-Federalism refers to a movement that opposed the creation of a stronger U.S. federal government and which later opposed the ratification of the 1787 Constitution . The previous constitution, called the Articles of Confederation, gave state governments more authority . Led by Patrick Henry of Virginia, Anti-Federalists worried, among other things, that the position of president, then a novelty, might evolve into a monarchy . Though the Constitution was ratified and supplanted the Articles of Confederation, Anti-Federalist influence helped lead to the passage of the United States Bill of Rights . </P> <P> During the American Revolution and its immediate aftermath, the term federal was applied to any person who supported the colonial union and the government formed under the Articles of Confederation . After the war, the group that felt the national government under the Articles was too weak appropriated the name Federalist for themselves . Historian Jackson Turner Main wrote, "to them, the man of' federal principles' approved of' federal measures,' which meant those that increased the weight and authority or extended the influence of the Confederation Congress ." </P>

What were the opponents of the constitution known as