Henry letters
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The Henry Letters were created by a fraudster named John Henry.[1] The letters reflected that the British government operating in Canada had employed him to try to persuade the New England states to leave the United States and join Canada. A bundle of letters was sold to President James Madison for $50,000. The letters were fraudulent, but both the President of the United States and the United States Congress were deceived, increasing tensions with the United Kingdom before the War of 1812.[2]