Answer:
Answer is option a, i.e. market size, location, and openness to trade.
Step-by-step explanation:
The World Bank report provides a summary and guide to the social, economic and environmental conditions of the world today. The key features that the report focuses on are based on the market size (that how large the market covered under particular region is), location of the region defines what products and services are accepted in a particular region, and how open are the import and export between nations and various regions.