 It remains the greatest defeat of a U.S. Army by Native Americans.The British had a long-standing goal of building a "neutral", but pro-British Indian buffer state in the American Midwest.They demanded a neutral Indian state at the peace conference that ended the War of 1812, but failed to gain any of it because they had lost control of the region in the Battle of Lake Erie and the Battle of the Thames in 1813, where Tecumseh was killed.