Origins of Hutu, Tutsi and Twa adults has a high capacity for lactose digestion, a surprisingly high number for an agrarian people, which Mamdani suggests may be the result of centuries of intermarriage with Tutsi. Bethwell Ogot in the 1988 UNESCO "General History" further notes that the number of pastoralists in Rwanda increased sharply around the fifteenth century. Although Luis et al. (2004) in a more general study on bi-allelic markers in many African countries found a statistically significant genetic difference between Tutsi and Hutu, the overall difference were not large. Modern-day genetic studies of the Y-chromosome generally indicate that the Tutsi, like the Hutu, are
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