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 monroe doctrine united states monroe doctorine monroe doctrine big brother policy big sister policy munro doctrine america for americans monre doctrine
monroe doctrine
WikipediaEntity
The Monroe Doctrine