Ipinnu odun 1961 fun Apaaguusu Kameroon lati darapo mo orile-ede Kameroon nigbati Apaariwa Kameroon duro si Naijiria fa aidogba nitori pe apa ariwa wa tobi ju Apaaguusu lo gidigidi.. 
Epo Petrole ko ipa pataki ninu u okoowo Naijiria to ṣirò fun 40% gbogbo ipa-wo orile-ede (Jèhófà) ati 80% iye owó ti ijoba n pa.. 