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.
Hutu of Rwandan national unity, but has been criticized as an attempt at historical revisionism. Still others suggest that the two groups are related but not identical, and that differences between them were exacerbated by Europeans, or by a gradual, natural split, as those who owned cattle became known as Tutsi and those who did not became Hutu. Mahmood Mamdani states that the Belgian colonial power designated people as Tutsi or Hutu on the basis of cattle ownership, physical measurements and church records. There is an ongoing debate as to whether the Hutu and Tutsi are really separate groups or not;