The right to wage war is almost entirely limited to sovereign states. This is usually seen as the product of humanitarian concerns. However, argue Claire Vergerio and Quentin Bruneau, the principle was enshrined in the nineteenth century to empower existing state authorities against challengers—including groups struggling against colonialism, who were reduced to criminals. This is now playing out in the Israel-Palestine conflict. Israel is granted a right to wage war denied to Palestinians.
1. An Israeli ‘right to self-defense’ versus a Palestinian ‘right to resistance’
In a collective response to the 7 October 2023 Hamas attack, Joe Biden, Justin Trudeau, Emmanuel Macron, Olaf Scholz, Giorgia Meloni, and Rishi Sunak declared ‘their support for Israel and its right to defend itself against terrorism’ while also calling for ‘adherence to international humanitarian law’. Months later, faced with the mounting death toll in Gaza, the overwhelming sentiment among many governments in the West seems to be that both sides have committed terrible atrocities in violation of international humanitarian law, but that ultimately, Israel was and remains legally entitled to defend itself.
This seemingly obvious right to self-defense—the central exception to the prohibition on the use of force in contemporary international law—is in fact the object of lively debate among international lawyers. The core of the disagreement hinges on whether Article 51 of the United Nations (UN) Charter can be invoked against a non-state actor. Some claim that this article was constructed as an exception to the prohibition on the use of force in interstate relations found in Article 2(4) and is accordingly only relevant as a justification to use force against other states. Others see it as a self-standing article that can be invoked even against non-state actors, as the United States did after the attacks of 11 September 2001. We will return to the historical origins of this debate later on; for now, what matters is that the terrain on which the debate is unfolding is that of a right to ‘self-defense’.
When it comes to the question of the use of force by Palestinians, the legal discussion has always been markedly different. As late as 2015, one commentator wondered whether ‘the world will ever get around to asking if maybe Palestinians have a right to self-defense too’.
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Why does no one speak of a Palestinian right of self-defense, but only of resistance?
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