The United States celebrated the War of 1812 as a second war of independence. On December 24, 1814, the US and Britain signed the Treaty of Ghent and the war was over. After that the US settled its land disputes with Great Britain using diplomacy. For example: Rush - Bagot Agreement of 1817 and Convention of 1818. The US and Great Britain settled disputes over boundaries and control of waterways.
Answer: B. Diplomatic negotiation.