<P> The First Liberian Civil War resulted in the authorization of UNOMIL in September 1993 to assist and supervise the troops of the Economic Community of West African States (ECOWAS), which had intervened militarily at the request of the Liberian government, and oversee the maintenance of the peace agreement in the nation . However, two rebel groups instigated the Second Liberian Civil War in 2003, and UNMIL was dispatched to oversee the implementation of the ceasefire agreement and continues to assist in national security reform . </P> <P> A coup in Haiti in 1991, followed by internal violence, was the impetus for the UN Mission in Haiti (UNMIH). In 1996 and 1997 three missions, UNSMIH, UNTMIH, and MIPONUH, were organized with the goal of reforming, training, and assisting the police through a period of political turmoil . A coup d'état in 2004 saw the ouster of the president and the UN authorized MINUSTAH to stabilize the country . </P> <P> In Sudan, the UN initially sponsored UNMIS to enforce a ceasefire between the Sudan People's Liberation Army / Movement and the Sudanese government . Since then, rebel groups in Darfur have clashed with government - sponsored forces, resulting in UNAMID, the AU / UN Hybrid Operation in Darfur . Violence in Darfur, spilled over the border into Chad and the Central African Republic . In 2007, MINURCAT was deployed to minimize violence to civilians and prevent interference of aid distribution related to violence in Darfur . </P> <P> The UN has also organized single peacekeeping missions aimed at ending civil wars in a number of countries . In Central African Republic, MINURCA (1998) was created to oversee the disarmament of several mutinous groups of former CAR military personnel and militias as well as to assist with the training of a new national police and the running of elections . The mission was extended after successful elections to help ensure further stability . In Sierra Leone, UNOMSIL / UNAMSIL) in 1999, followed the ECOMOG - led restoration of the government after a coup . In 1999, in the Democratic Republic of the Congo MONUC was designed to monitor the ceasefire after the Second Congo War--it continues to operate due to continuing violence in parts of the DRC . In Cote d'Ivoire, UNOCI was dispatched to enforce a 2004 peace agreement ending the Ivorian Civil War, though the country remains divided . Following ceasefire agreements ending the Burundi Civil War, ONUB was authorized in 2004 to oversee the implementation of the Arusha Peace Accords . </P>

The united nations has intervened often with limited success in which area