Foreign relations of Nigeria bilateral relations 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; dispute with Cameroon over land and maritime boundaries around the Bakasi Peninsula is currently before the International Court of Justice; maritime boundary dispute with Equatorial Guinea because of disputed jurisdiction over oil-rich areas in the Gulf of Guinea. The Federation of Nigeria became independent from the United Kingdom in 1960 with Queen Elizabeth II as Queen of Nigeria. Nigeria became a Commonwealth republic in 1963,
Chad–Cameroon Petroleum Development and Pipeline Project Cameroon, and that the revenues be put towards improving social and economic conditions. Since 1990, President Idriss Deby has been the head of government in Chad, where presidential elections are held every five years. Chad's economy is dependent mainly on agriculture and livestock. It heavily relies on foreign assistance and foreign capital, as well as international investment projects. Because of Chad's landlocked borders, its economy struggles from a lack of resources and instability between rebel groups. The country also serves as a host to thousands of refugees from neighboring Sudan and Central African Republic, as well as many victims of