During the civil unrest in Ukraine in early 2014 Russia began supplying rebel groups in Crimea with military equipment, deployed military forces into Crimea and encouraged and supported Crimea’s secession from Ukraine. This article claims that Russia’s conduct between February and March 2014 constitutes unlawful intervention and not a use of force. It reaches this conclusion by, first, exploring the meaning and content of the principles of non-intervention and the non-use of force and then, second, by examining Russia’s justifications namely, that it intervened at the request of Ukraine’s competent authorities, to protect endangered Russian citizens and to support Crimea’s claim to self-determination. The overall aim of this article is to highlight the content and meaning as well as the legal boundaries of the principle of non-intervention as an international legal norm distinct from the prohibition against the use of force.

中文翻译：

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克里米亚危机和不干预原则

在2014年初乌克兰内乱期间，俄罗斯开始向克里米亚的叛军团体提供军事装备，向克里米亚派遣军队，并鼓励和支持克里米亚脱离乌克兰。这篇文章声称，俄罗斯在2014年2月至2014年3月之间的行为构成非法干预，而不是使用武力。通过首先探讨不干涉和不使用武力的原则的含义和内容，然后其次，通过研究俄罗斯的正当理由，即应乌克兰主管当局的要求进行干预，来得出这个结论。保护濒临灭绝的俄罗斯公民，并支持克里米亚的自决主张。