Guatemala united front, the cia and the 1954 coup. Us foreign policy objectives (o"toole: territorial gains. The main period of us territorial expansion was in the 1800s when they expanded westward, displacing indigenous people. All justified by manifest destiny - notion that white settlement of the continent was fulfillment of a god given imperative: dogma used for the acquisition of us territory to justify their actions such as us- Mexican war of 1846-1848 which annexed half of mexico"s territory: after the 19th century, the western frontier closed and at this moment, the us economy surged. The concept of manifest destiny is now linked as the us"s mission to spread democracy throughout the world. (the meaning has changed). Instead of wiping out indigenous people, us are now trying to promote us values: strategic security ( hands off latin america ) The monroe doctrine 1823, which established latin america as part of the us sphere of influence.