The Federalist Papers were a series of 85 essays by Alexander Hamilton, James Madison, and John Jay, under the pen-name "Publius," that appeared in New York newspapers . The essays supported a strong national government urged New York delegates to ratify (approve) the Constitution. Others such as George Mason and Patrick Henry fought against ratification. They believed power should primarily be held by the states. They also demanded a BILL of RIGHTS to protect basic freedoms that governments often take away from people.