Abstract
The United Nations has been called everything from "the best hope of mankind" to "irrelevant" and "obsolete." With this much-needed introduction to the UN, Jussi Hanhimaki engages the current debate over the organizations effectiveness as he provides a clear understanding of how it was originally conceived, how it has come to its present form, and how it must confront new challenges in a rapidly changing world. After a brief history of the United Nations and its predecessor, the League of Nations, the author examines the UN's successes and failures as a guardian o