(a) Draw an outline map of Nigeria and on it show and name: (i) one area each for oil palm, cotton and cocoa cultivation (ii) one forest belt and one savann...

(a) Draw an outline map of Nigeria and on it show and name:
(i) one area each for oil palm, cotton and cocoa cultivation
(ii) one forest belt and one savanna belt

(b) Explain any four ways in which any one of the crops named in (a) above is important to the economy of Nigeria

(c) What three problems does the cultivation of the crops named in (b) above face?