the National Assembly and its strategic principles include defending Sudan's external borders and preserving internal security. Since the Darfur crisis in 2004, safe-keeping the central government from the armed resistance and rebellion of paramilitary rebel groups such as the Sudan People's Liberation Army (SPLA), the Sudanese Liberation Army (SLA) and the Justice and Equality Movement (JEM) have been important priorities. While not official, the Sudanese military also uses nomad militias, the most prominent being the Janjaweed, in executing a counter-insurgency war. Somewhere between 200,000 and 400,000 people have died in the violent struggles. International organisations in Sudan Several UN agents are operating in Sudan such as the World Food Program (WFP); the Food and Agriculture Organization of the United Nations (FAO); the United Nations Development Programme (UNDP); the United Nations Industrial Development Organization (UNIDO); the United Nations Children Fund (UNICEF); the United Nations High Commissioner for Refugees (UNHCR); the United Nations Mine Service (UNMAS), the United Nations Office for the Coordination of Humanitarian Affairs (OCHA) and the World Bank. Also present is the International Organisation for Migration (IOM). Since Sudan has experienced civil war for many years, many non-governmental organisations (NGOs) are also involved in humanitarian efforts to help internally displaced people. The NGOs are working in every corner of Sudan, especially in the southern part and western parts. During the civil war, international nongovernmental organisations such as the Red Cross were operating mostly in the south but based in the capital Khartoum. The attention of NGOs shifted shortly after the war broke out in the western part of Sudan known as Darfur. The most visible organisation in South Sudan is the Operation Lifeline Sudan (OLS) consortium. Some international trade organisations categorise Sudan as part of the Greater Horn of Africa Even though most of the international organisations are substantially concentrated in both South Sudan and the Darfur region, some of them are working in the northern part as well. For example, the United Nations Industrial Development Organization is successfully operating in Khartoum, the capital. It is mainly funded by the European Union and recently opened more vocational training. The Canadian International Development Agency is operating largely in northern Sudan. Human rights Since 1983, a combination of civil war and famine has taken the lives of nearly two million people in Sudan. It is estimated that as many as 200,000 people had been taken into slavery during the Second Sudanese