<u>Answer:</u> Man who first explored Oklahoma on behalf of the U.S.
The War of 1812 happened between Great Britain and the United States in 1812. It caused no geographical changes. The main result of the war was two centuries of peace between the United States and Britain. ... The British paid little attention to the war, concentrating instead on their final defeat of Napoleon in 1815.
7.. you answered the question in the question! :)