James Madison, Alexander Hamilton, and John Jay wrote the Federalist Papers. The U.S. Constitution was written at the Constitutional Convention in 1787. People at the Constitutional Convention decided how the government should work. Then James Madison, Alexander Hamilton, and John Jay wrote the Federalist Papers. The Federalist Papers explained the new government. They said that the new United States needed the Constitution. Newspapers all over the United States published the Federalist Papers.
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