What might some responses be to nations that extend into the Western Hemisphere?

In 1823 President James Monroe passed the Monroe Doctrine.

It said that the Western Hemisphere was not open to European Colonization.

It was agreed that Europe would stay out of the Western Hemisphere, and the US would not interfere in European affairs.

If Europe tried to expand into the Western Hemisphere, the US would see that as a threat.

In a speech to Congress in 1823, President James Monroe warned European powers not to attempt further colonization or otherwise interfere in the Western Hemisphere, stating that the United States would view any such interference as a potentially hostile act Explanation:

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