What is the act of retorting on an enemy by inflicting suffering or death on a prisoner taken from him, in retaliation for an act of inhumanity. Vattel (Trans. ) called?

reprisal — The act of retorting on an enemy by inflicting suffering or death on a prisoner taken from him, in retaliation for an act of inhumanity. Vattel (Trans. ). (Webster's 1913.)

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