Reappraising the Resort to Force: International Law, Jus ad Bellum and the War on Terror

A number of commentators assert that the military response to the terrorist atrocities of 11 September 2001 - encompassing attacks on Afghanistan and Iraq, and commonly referred to as the 'war on terror' - has significantly impacted upon the international law regulating resort to armed force by states (jus ad bellum), loosening the constraints on self-defence. Some even suggest that the very future of the United Nations, in particular the Security Council and its collective security system,...