Cameroon–Nigeria relations troops from the two countries will cross into Nigeria and fight Boko Haram in collaboration with Nigerian forces." Cameroon–Nigeria relations This article details the foreign relations between Cameroon and Nigeria. For a few years, relations between Cameroon and Nigeria have intensified over issues relating to their 1,600-kilometer land boundary, extending from the Lake Chad to the Bakassi peninsula, and boundary into the Gulf of Guinea. The issues that are involved are rights over the oil-rich land and the fate of local populations. For example, as Lake Chad dried up due to desertification, local populations relying on the lake for their
Niger far east as western Niger. The Kanem-Bornu Empire was an empire that existed in modern-day Chad, Nigeria, Cameroon, Niger and Libya. The empire first existed and prospered as the Kanem Empire as early as the 9th century and later as the Kingdom of Bornu until 1900. In the 19th century, contact with Europe began with the first European explorers—notably Monteil (French) and Barth (German)—to travel to Niger. Following the 1885 Berlin conference during which colonial powers outlined the division of Africa into colonial spheres, French military efforts to conquer existing African states were intensified in all French colonies including Niger.