Tutsi the government through universal elections after independence. This partly reflected internal Belgian domestic politics, in which the discrimination against the Hutu majority came to be regarded as similar to oppression within Belgium stemming from the Flemish-Walloon conflict, and the democratization and empowerment of the Hutu was seen as a just response to the Tutsi domination. Belgian policies wavered and flip-flopped considerably during this period leading up to independence of Burundi and Rwanda. The Hutu majority in Rwanda had revolted against the Tutsi and was able to take power. Tutsis fled and created exile communities outside Rwanda in Uganda and Tanzania.
Origins of Hutu, Tutsi and Twa communities (17.7% Afro-Asiatic genes found in the mixed Hutu/Tutsi population). While most supporters of the migration theory are also supporters of the "Hamitic theory", namely that the Tutsi came from the Horn of Africa, a later theory proposed that the Tutsi had instead migrated from nearby interior East Africa, and that the physical differences were the result of natural selection in a dry arid climate over millennia. Among the most detailed theories was one put forward by Jean Hiernaux, based on studies of blood factors and archeology. Noting the fossil record of a tall people with narrow facial features several