More fundamentally, we need to build a socio-economic and political system that guarantees equal opportunity and voice to all- a competitive and equitable system where each individual has every chance of success in life. We still have challenges of ethnicity and  BIS Review 74/2006  3  religion to deal with, as well as agitations of ethnic militia groups.
These challenges cannot be dealt with in one day: it will take concerted efforts for a few decades to build that African superpower. But the challenges are not insurmountable. Several countries have done it before. An instructive example is Singapore.