(a) On an outline map of Nigeria, locate and name: (i) the rail lines linking Lagos to Nguru (ii) the railway line linking Port-Harcourt to Kaduna (b) Expla...

(a) On an outline map of Nigeria, locate and name:

(i) the rail lines linking Lagos to Nguru

(ii) the railway line linking Port-Harcourt to Kaduna

(b) Explain any four ways in which rail contributed to the economic development of Nigeria

(c) Highlight any three problems of rail transportation in Nigeria