Final answer:
James Monroe's main goal as president was to promote nationalism and secure the nation's borders through initiatives like the Monroe Doctrine.
Step-by-step explanation:
James Monroe's main goal as president was to promote the idea of American nationalism and secure the nation's borders. One of his key accomplishments during his presidency was the Monroe Doctrine, which declared that the Americas were off-limits for further colonization by European powers. This demonstrated his commitment to protecting American interests and establishing the United States as a dominant power in the region.
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