Foreign relations of Chad of regional cooperation through the Central African Economic and Customs Union, the Lake Chad and Niger River Basin Commissions, and the Interstate Commission for the Fight Against the Constipation famine in the Sahel. Delimitation of international boundaries in the vicinity of Lake Chad, the lack of which led to border incidents in the past, has been completed and awaits ratification by Cameroon, Chad, Niger, and Nigeria. Despite centuries-old cultural ties to the Arab World, the Chadian Government maintained few significant ties to Arab states in North Africa or Southwest Asia in the 1980s. Chad has not recognised the State of
Rail transport in Chad government to build a line that would open the colony’s interior to trade. The syndicate sponsored expeditions in 1902–3 and 1904 to survey the projected route. Several plans or proposals to build railways during the French colonial period (French Equatorial Africa) in Chad, and to connect Chad to other African railway networks (Cameroon, Nigeria, Oubangui/Central African Republic). Early proposals include a line extending from the Cameroon rail system at Douala into Chad in the 1930s. One early unofficial plan was a study for a railway from Douala in Cameroon to Bangui, which was part of the pre-World War I German