Understanding international conflicts : an introduction to theory and history / Joseph S. Nye, Jr. ; with foreword by Stanley Hoffmann. Nye, Joseph S. International relations. JZ1305 .N94 2003 327.0904 21 NYU Includes bibliographical references and index. New York : Longman, 2003. 2003. 2003 Text xii, 275 p . : eng Longman classics in political science