Concept:Industrial development depends on basic facilities like transport, power, water, and communication.
Explanation:West African countries are well endowed with natural resources and have abundant labour.
They also have a considerable market for manufactured goods within the sub-region.
However, the region is seriously challenged by poor infrastructure such as bad roads, unstable electricity, and inadequate water supply.
This raises production costs, reduces efficiency, and discourages investment in industries.
Therefore, inadequate infrastructure is a major problem facing industrial development in West African countries.
Answer:B. inadequate infrastructure