What US policy introduced in 1823, that efforts by European governments to colonise land or interfere with states in the Americas would be viewed by the USA as acts of aggression requiring US intervention, became one of the longest-standing tenets of US foreign policy?
Big sister policy Monroe doctrine Munroe Doctrine Monroe Doctrine (United States) America for the Americans Monre doctrine Munro Doctrine Big Brother policy Monroe Doctrine The Monroe Doctrine Monroe Doctorine
munroe doctrine munro doctrine monroe doctorine big sister policy big brother policy monre doctrine america for americans monroe doctrine monroe doctrine united states
monroe doctrine
WikipediaEntity
The Monroe Doctrine