"A Model U.N. simulates the activities of a U.N. body such as the Security Council or the General Assembly. Participants assume the roles of diplomatic representatives to the U.N. as they consider contemporary international concerns...

A Model U.N. offers students an opportunity to gain substantive knowledge about the cultures, policies and countries they represent. They can learn the details of important global issues and the mechanisms for peaceful resolution of disputes, at the same time sharpening their interpersonal skills. They must practice writing and speaking skills in order to persuade delegates from other attending schools."

-http://www.calmun.org