GCE Geography 1989 Question 50

All the following are true of ECOWAS except that

1. A.it is an international organisation
2. B.it is open to all countries of West Africa
3. C.its aim is to promote economic cooperation among member countries
4. D.it allows citizens of member countries to stay for at least ninety days within any country.
5. E.non-payment of annual subvention by any member country leads to loss of membership