recaptured the separatist region of Chechnya. The campaign largely reversed the outcome of the First Chechen War, in which the region gained de facto independence as the Chechen Republic of Ichkeria. The Eritrean–Ethiopian War came to a close in 2000. Kivu conflict (2004–2009) – armed conflict between the military of the Democratic Republic of the Congo (FARDC) and the Hutu Power group Democratic Forces for the Liberation of Rwanda (FDLR). 2009 Nigerian sectarian violence – an armed conflict between Boko Haram, a militant Islamist group, and Nigerian security forces. Civil wars and guerrilla wars War in Darfur (2003–2009) – an armed conflict in the Darfur region of western Sudan. The conflict began when the Sudan Liberation Movement/Army (SLM/A) and Justice and Equality Movement (JEM) in Darfur took up arms, accusing the government of oppressing black Africans in favor of Arabs. One side was composed mainly of the Sudanese military and the Sudanese militia group Janjaweed, recruited mostly from the Afro-Arab Abbala tribes of the northern Rizeigat region in Sudan. The other side was made up of rebel groups, notably the Sudan Liberation Movement/Army and the Justice and Equality Movement, recruited primarily from the non-Arab Muslim Fur, Zaghawa, and Masalit ethnic groups. Millions of people were displaced from their homes during the conflict. There are various estimates on the number of human casualties – Sudanese authorities claim a death toll of roughly 19,500 civilians while certain non-governmental organizations, such as the Coalition for International Justice, claim that over 400,000 people have been killed during the conflict. Former U.S. President George W. Bush called the events in Darfur a genocide during his presidency. The United States Congress unanimously passed House Concurrent Resolution 467, which declared the situation in Darfur a state-sponsored genocide by the Janjaweed. In 2008, the International Criminal Court charged Omar al-Bashir with genocide for his role in the War in Darfur. Mexican Drug War (2006–present) – an armed conflict fought between rival drug cartels and government forces in Mexico. Although Mexican drug cartels, or drug trafficking organizations, have existed for quite some time, they have become more powerful since the demise of Colombia's Cali and Medellín cartels in the 1990s. Mexican drug cartels now dominate the wholesale illicit drug market in the United States. Arrests of key cartel leaders, particularly in the Tijuana and Gulf cartels, have led to increasing drug violence as cartels fight for control of the