Answer: B. Groups of countries can wield more economic influence than individual countries.
Explanation: When two or more sovereign countries come together in other to serve a common Interest or acheive a common goal, such union or pact formed under a recognized or defined treaty is called an intergovernmental organization. Members of these organizations usually maintain a more cordial or warm relationship through joint collaboration on social and economic development, dialogue, security and beneficial economic growth and stability between the member nations attained through joint effort and contribution which may be difficult to acheive by just an individual nation. International organizations include ; The United nation, the world trade organization and so on.