"In the 1840 president James k Polk belief in manifest destiny led to the expansion of the United States, especially into Mexican territory, since he believed that the US was "destined" to occupy all the land from the Atlantic to the Pacific.
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Answer:
South Korea is a democratic republic with a presidential system of government.
People lived in mesopotaimia before city states by living in tribes as a village or community
American expansion abroad was fueled by all of the following except "the closing of the frontier" since this was mainly a domestic issue.
Best guess......<span>philosophe i dont really know..</span>