The main reason for the construction of the railway from Port-Harcourt into the hinterland was the?

A. discovery of tin in Jos area
B. discovery of a deep-sea harbor at Port-Harcourt
C. discovery of coal at Udi
D. need to evacuate export crops from the hinterland.

Correct Answer: Option C

C. discovery of coal at Udi

Explanation

Coal is a very heavy mineral which cannot be carried by road transport