In a world where emerging economies are reshaping global trade and power dynamics, Nigeria’s recent inclusion as a “partner country” in the BRICS bloc is a milestone.

Africa will be the second-fastest-growing region globally. But persistent problems, including poverty, the effects of climate change, and weak governance, are fuelling widespread social frustration.

Ivory Coast’s expulsion of French troops follows similar moves across the region, leaving a power vacuum that must be handled ...