1846+G

- clear evidence of American's desire for Manifest Destiny (imperialism) - an armed conflict between the United States and Mexico from 1846 to 1848 in the wake of the 1845 U.S. annexation of Texas. Mexico claimed ownership of Texas as a breakaway province and refused to recognize the secession and subsequent military victory by Texas in 1836. - stimulated the slavery issue again, because new territories had potential to be added to US (new states = more decisions whether it is slave state or free state) - a bilateral treaty between the United Kingdom of Great Britain and Ireland and the United States. - The Treaty of 1818 set the boundary between the United States and British North America along the 49th parallel of north latitude from Minnesota to the "Stony Mountains" (now known as the Rocky Mountains). - Joint control steadily grew intolerable for both sides.
 * Mexican American War (1846-1848)
 * The Oregon Treaty (June, 15, 1846)