Ten days after the Constitution was signed at the Old Philadelphia State House, an anonymous op-ed appeared in the New York Journal. Signed by "Cato," it cautioned readers of the new Constitution to take it with a grain of salt. Even the wisest of men, it warned, can make mistakes. This launched a public debate that would last months, pitting pro-Constitution "Federalists" against Constitution-wary "Anti-Federalists." It was a battle for ratification, and it resulted in a glimpse into the minds of our Framers -- and a concession that would come to define American identity.

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