Which of the Following Is NOT an Indication That Nigeria

Which of the following is NOT an indication that Nigeria has sought to play an important role in African politics?

A) It has borne a disproportionate share of the costs associated with the Economic Community of West African States.
B) Nigeria remains an important oil producer, which gives it some voice in regional and global politics.
C) It played a leading role in transforming the Organization for African Unity into the African Union.
D) It adopted a nonaligned stance during the Cold War insisting that this conflict had little to do with African politics.
E) Its leaders have helped to mediate crises in the region.