(a) Five benefits Nigeria derives from being a member of ECOWAS include:
(i) Free movement of people-hence labour availability
(ii) Creation of a large market
(iii) Availability of more raw materials for industries
(iv) Siting of the secretariat in Abuja
(v) Free movement of capital
(b) Five problems of ECOWAS include:
(i) Political and ideological differences
(ii) Fear of domination by bigger countries
(iii) Difference in currencies
(iv) Language barrier
(v) Non payment of dues and subventions