An examination of a developed country’s foreign policy such as America is essential in determining the importance of an effective foreign policy. A critical analysis of the American foreign policy portrays an interconnection of exceptionalism, isolationism, and expansionism. A manifestation of this interconnection is clearly seen during the Mexican - American War. This is because the war arguably marks the first steps of America’s rise to a global power.
The Mexican – American War revolved around territorial disputes between America and Mexico. This implies that the entire Mexican – American War can be considered to be based upon American expansionism. This is because America sought to expand its territories into Mexico in areas considered to have some significance. America claimed that the border was at Rio Grande while Mexico argued that the border was at Nueces River. A border at Rio Grande meant that Mexico would lose a significant portion of land to America. In 1945, President Polk sent American troops under the leadership of General Zachary Taylor to the Nueces River to take over the disputed land. Polk’s actions can be considered to have been facilitated by his position as provided by America’s foreign policy where the president is recognized as the commander in chief of the army and navy. America’s presence was met by opposition from the Mexican troops at a time that saw the death of 11 American soldiers and imprisonment of several more (The Mexican American War, 2006). However, this was followed by a series of other conflicts in Mexico in which the American troops occasionally emerged victorious and consequently the occupation of Mexico City by Americans.
In addition to increased expansion interests to the South, America also had keen interest in expanding the Northern borders such as California. This period that saw increased concentration on expansion can be considered to have marked America’s first attempts of becoming a