It has been argued that "regional integration allows countries to overcome costly divisions through integrating goods, services and factors' markets, thus facilitating the flow of trade, capital, energy, people and ideas. Regional integration can be promoted through common physical and institutional infrastructure.

1. Discuss regional integration
2. Discuss how SADC countries can benefit from regional integration
3. What is "Rule of Origin" and discuss with examples how "rule of origin" has not helped SADC countries enhance the impact of regional integration.