Blount was a senator from Tennessee in the fourth Congress. In 1797, he was charged with conspiring with the Cherokee and the British to conquer Spanish Florida. The Senate voted to expel him in July 1797, but because of the gravity of the charges Congress continued to investigate the matter. In January 1798, the House voted for five articles of impeachment, which were referred to the Senate for trial. Charges against Blount were dismissed in January 1799 for lack of jurisdiction.