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  • Cited by 2
  • Print publication year: 2005
  • Online publication date: June 2012

7 - The concept of self-defence

Summary

The right of self-defence

The meaning of self-defence

In its 1996 Advisory Opinion on the Legality of the Threat or Use of Nuclear Weapons, the International Court of Justice stated:

Furthermore, the Court cannot lose sight of the fundamental right of every State to survival, and thus its right to resort to self-defence, in accordance with Article 51 of the Charter, when its survival is at stake.

The implication is that the right of self-defence is engendered by, and embedded in, the fundamental right of States to survival. However, the Court itself acknowledged that ‘the very survival of a State would be at stake’ only ‘in an extreme circumstance of self-defence’. Extreme circumstances of self-defence – when the very survival of a State is imperilled – do arise from time to time, but the exercise of self-defence is by no means confined to such catastrophic scenarios. The reality of self-defence in inter-State relations is much more prosaic: it transcends life-or-death existential crises and impinges on a host of commonplace situations involving the use of counter-force.

The essence of self-defence is self-help: under certain conditions set by international law, a State acting unilaterally – perhaps in association with other countries – may respond with lawful force to unlawful force (or, minimally, to the imminent threat of unlawful force). The reliance on self-help, as a remedy available to States when their rights are violated, is and always has been one of the hallmarks of international law.

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