Origins of Hutu, Tutsi and Twa on economic criteria. Formal and discrete social divisions were consequently imposed upon ambiguous biological distinctions. To some extent, the permeability of these categories in the intervening decades helped to reify the biological distinctions, generating a taller elite and a shorter underclass, but with little relation to the gene pools that had existed a few centuries ago. The social categories are thus real, but there is little if any detectable genetic differentiation between Hutu and Tutsi. Tishkoff et al. (2009) found their mixed Hutu and Tutsi samples from Rwanda to be predominately of Bantu origin, with minor gene flow from Afro-Asiatic
Religion in Rwanda to support the new interim government, the very government supporting the genocide. At the same time, churches did not uniformly support the genocide. In the period leading up to the genocide, 1990–1994, major splits emerged within most churches between moderates who promoted democratic change and conservatives allied with the Habyarimana regime. Many of the clergy were Tutsi, and they generally supported democratic reform, but many moderate Hutu within the churches supported reform as well. Churches provided major support to the formation of the new human-rights groups that emerged in the early 1990s. When the genocide began in 1994, some clergy