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Historical Development And Legal Basis, Mary O'Connell Jan 2013

Historical Development And Legal Basis, Mary O'Connell

Book Chapters

Although the subject of this Handbook is the law applicable to the conduct of hostilities that applies once a party has entered into armed conflict (the jus in bello), that law cannot be properly understood without some examination of the separate body of rules which determines when resort to armed force is permissible (the jus ad bellum). The jus ad bellum has ancient origins but current law is founded on Article 2(4) and Chapter VII of the UN Charter.


The Prohibition Of The Use Of Force, Mary O'Connell Jan 2013

The Prohibition Of The Use Of Force, Mary O'Connell

Book Chapters

From the Publisher
Chapter 4
This chapter concerns the central international legal rule against violence: Article 2(4) of the United Nations Charter. Article 2(4) generally prohibits the use of force by states. It is a treaty rule that is also widely regarded as a rule of customary international law and, indeed, in certain respects, as a peremptory rule or rule of jus cogens. Article 2(4) was adopted along with the rest of the Charter in 1945 after the catastrophe of the Second World War in which an estimated 60 million people died. Despite its relatively recent adoption, Article 2(4) …