While Madison worked to end the war, the U.S. experienced some impressive naval successes, boosting American morale, by the USS Constitution, and other warships. With a victory at the Battle of Lake Erie, the U.S. crippled the supply and reinforcement of British military forces in the western theater of the war. In the aftermath of the Battle of Lake Erie, General William Henry Harrison defeated the forces of the British and of Tecumseh's Confederacy at the Battle of the Thames.