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Introduction To Intervention Under International Law, Mortimer N.S. Sellers

All Faculty Scholarship

The lawfulness or legitimacy of "external" intervention in the "internal" affairs of sovereign states is one of the most basic controversies in modern international law. The question arises in three separate but related forms: When is intervention lawful? When is intervention legitimate? And when should intervention occur? Discussion here will focus on the legal question, but legitimacy, morality, and brutal reality all form and sometimes trump the law. They dictate the parameters within which all legal determinations take place, including the legality of cross-border interventions. By "intervention" I mean any activity by one state or its agents that influences the …