Chad–Nigeria relations in the late 1970s, clashes occurred around Lake Chad, where both countries hoped to exploit oil reserves. Both also sought to defuse these confrontations, first by establishing joint patrols and a commission to demarcate the boundary across the lake more clearly. Then in the early 1980s, the low level of Lake Chad brought a series of tiny islands into view, leading to further disputes and disrupting long-standing informal trade networks. This relationship was also complicated by Nigeria's own instability in the north, generated by rising Islamic fundamentalism. Thousands of casualties occurred as the result of violent clashes in Nigeria throughout
History of Chad fighting. UN has said that up to 20,000 people left the region, taking refuge in nearby Cameroon and Nigeria. Hundreds of people were killed, mostly civilians. The rebels accuse Deby of corruption and embezzling millions in oil revenue. While many Chadians may share that assessment, the uprising appears to be a power struggle within the elite that has long controlled Chad. The French government believes that the opposition has regrouped east of the capital. Déby has blamed Sudan for the current unrest in Chad. History of Chad Chad (; ), officially the Republic of Chad, is a landlocked country in