Rwandan genocide said that "many people were killed in 1994 by both sides making those who carried out the genocide and their enemies morally equivalent". He said that Philpot argued "[t]here was no one-sided conspiracy by armed Hutu forces and militias against a million defenceless Tutsi". In 2009, scholars Christian Davenport of the University of Michigan and Allan C. Stam of Dartmouth asked, "What really happened in Rwanda?" The pair do not question that an anti-Tutsi genocide took place in 1994, but their investigation led them to conclude that "conventional wisdom was only partly correct". They argue that the genocide constituted only
Origins of Hutu, Tutsi and Twa the importance of the pastoralist migrations. Still other studies point out that cultural transmission can occur without actual human migration. This raises the question of how much of the changes around the fifteenth and sixteenth centuries was the result of an influx of people as opposed to the existing population being exposed to new ideas. Studies that approach the subject of racial purity are among the most controversial. These studies point out that the pastoralist migrants and pre-migration Rwandans lived side by side for centuries and practiced extensive intermarriage. The notion that current Rwandans can claim exclusively Tutsi or Hutu