Rwandan genocide training to the Banyamulenge, a Tutsi group in the Zairian South Kivu province, helping them to defeat Zairian security forces. Rwandan forces, the Banyamulenge, and other Zairian Tutsi, then attacked the refugee camps, targeting the Hutu militia. These attacks caused hundreds of thousands of refugees to flee; many returned to Rwanda despite the presence of the RPF, while others ventured further west into Zaire. The defeated forces of the former regime continued a cross-border insurgency campaign, supported initially by the predominantly Hutu population of Rwanda's northwestern provinces. By 1999, a programme of propaganda and Hutu integration into the national army,
Hutu Power public life, complete segregation of Hutus from Tutsis, and complete exclusion of Tutsis from public institutions and public life. Hutu Power ideology reviled Tutsis as outsiders bent on restoring a Tutsi-dominated monarchy, and idealized all things Hutu. The Commandments declared that any form of relationship between Hutus and Tutsi women was forbidden; and that any Hutu who "marries a Tutsi woman", "befriends a Tutsi woman", or "employs a Tutsi woman as a secretary or a concubine" was a traitor to the Hutu people. It denounced Tutsis as dishonest in business whose "only aim is the supremacy of his ethnic group";