Unformatted text preview: Britain over Oregon was peaceably resolved with the adoption of lat. 49°N (the 49th parallel) as Oregon's northern boundary. Relations with Mexico, on the other hand, reached a breaking point after the annexation of Texas. Polk had hoped to purchase California and to settle other difficulties with Mexico by negotiation. However, after the failure of the mission of John Slidell to Mexico, the President ordered the American advance to the Rio Grande that precipitated the Mexican War . As a result of the war, the United States acquired not only California but the entire Southwest. Few presidents have worked harder, and few have equaled Polk's record of attaining specific, stated aims. He labored so strenuously in fact that his health gave way, and he died a few months after leaving office....
View Full Document
- Fall '10
- James K. Polk, Oregon boundary dispute, William L. Marcy, Independent Treasury, Robert J. Walker