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Proximity matters: 5 things to know about America’s sphere of influence
A fragmented world is reshuffling priorities—and security is back on top. In the first two weeks of the year, the United States carried out a dramatic operation in Venezuela, spotlighted Greenland as a strategic imperative and seemed to consider potential action in Iran. Put together, these actions signal a fundamental shift: proximity matters. History has a name for this mindset. The Monroe Doctrine once drew the line in the Western Hemisphere—positioning the United States as its dominant power. Though today’s context is different, the logic holds: Secure the perimeter, reduce spillovers and limit external ... (full story)