Humanitarian reasons prompted swift intervention  The US intervention in Libya was necessary because Gadaffi had shown and has shown before that he is willing to kill and abuse citizens en mass in order to preserve his power. The U.S. intervention was necessary in order to prevent the indiscriminate bombing of towns by Gadaffi’s air forces. Such bombing attacks led to significant civilian casualties.1  Following the genocide in Rwanda in 1994 the United States placed on itself a moral mandate that ‘never again’ would such massacres be allowed to continue without intervention. Had the uprising been put down, reprisals by Gadaffi would have been swift and likely resulted in many innocents being killed. 2 The United States had to step in.  Obama Libya Speech Strongly Defends Intervention (FULL TESXT)’ AP/The Huffington Post, 28 March 2011,  Obama Administration letter to Congress justifying Libya engagement, 15/06/2011