(a) Four advantages of international trade:
(i) Provision of foreign exchange earning to government
(ii) Generation of employment
(iii) Healthy diplomatic or bilateral relations
(iv) Mutual exchange of technical and other services
(b) Four factors which influence the trade between Nigeria and Canada:
(i) Differences in natural resources
(ii) Tariffs and import duties chargeable
(iii) Degree of industrial development or level of technology
(iv) Differences in taste