Hutu Rwanda, this led to the "Social revolution" and Hutu violence against Tutsis. Tens of thousands of Tutsis were killed and many others fled to neighboring countries, such as Burundi, Uganda and expanding the Banyamulenge Tutsi ethnic group in the South Kivu region of the Belgian Congo. Later, exiled Tutsis from Burundi invaded Rwanda, prompting Rwanda to close its border with Burundi. In Burundi, a campaign of genocide was conducted against Hutu population in 1972, and an estimated 100,000 Hutus died. In 1993, Burundi's first democratically elected president, Melchior Ndadaye, who was Hutu, was believed to be assassinated by Tutsi officers,
Role of the international community in the Rwandan genocide should raid Hutu militants' weapons caches, whose location had been disclosed to him by a government informant. The UN failed to respond adequately to Dallaire's urgent requests. The role of the United States is directly inspired by their defeat that they underwent during their intervention in Somalia in 1993. For two months, from April to May 1994, the American government fought over the word "genocide" which is banned by the Convention for the Prevention and the Repression of Crime and Genocide (adopted by the General Assembly of the United Nations on 10 December 1948). In the US, President Bill Clinton