Canadian border set at 45th parallel- The United States and Britain disputed the border that separated Canada from the northeastern United States. Both Canada and the state of Maine claimed the disputed area. Its foreign minister, Lord Aberdeen, also wanted peace.Lord Aberdeen sent a special representative, Lord Ashburton, to the United States. Lord Ashburton had an American wife. And he was a friend of Daniel Webster. He arrived in Washington in the spring of 1842 with the power to settle all disputes with the United States.Webster proposed a compromise border line. Lord Ashburton accepted the compromise. The agreement gave almost 18,000 square kilometers of the disputed area to …show more content…
Oregon boundary settled, 1846- a treaty between the United Kingdom and the United States that was signed on June 15, 1846, in Washington, DC. The treaty brought an end to the Oregon boundary dispute by settling competing American and British claims to the Oregon Country, which had been jointly occupied by both Britain and the U.S. since the Treaty of 1818. D. Mexican War, 1846-1848--was an armed conflict between the United States of America and Mexico from 1846 to 1848 in the wake of the 1845 U.S. annexation of Texas, which Mexico considered part of its territory despite the 1836 Texas Revolution. E. Treaty of Guadalupe-Hidalgo, 1848--is the peace treaty between the U.S. and Mexico that ended the Mexican-American War (1846–48). With the defeat of its army and the fall of the capital, Mexico entered into negotiations to end the war. It gave the United States the Rio Grande boundary for Texas, and gave the U.S. ownership of California, and a large area comprising New Mexico, Arizona, Nevada, Utah, and parts of Wyoming and Colorado. F. Wilmot Proviso- one of the major events leading to the American Civil War, would have banned slavery in any territory to be acquired from Mexico in the Mexican War or in the future, including the area later known as the Mexican Cession, but which some proponents construed to also include the disputed lands in south Texas and New Mexico east of the Rio