Final answer:
Often called "Africa's Big Apple," Lagos is Nigeria's industrial hub with a complex geography and significant population, serving as an economic epicenter.
Step-by-step explanation:
Sometimes referred to as "Africa's Big Apple," Lagos serves as the industrial hub of Nigeria. It is comprised of a system of islands, sandbars, and lagoons. Lagos is more popular than New York City and Chicago combined, anchoring itself as a core center of economic activity. Not only does Lagos represent a key destination for corporate enterprises, but it also stands at the heart of Nigeria's petroleum industry.