Written and developed in collaboration with the IB, this companion supports diploma programme students for the 2008 syllabus for route 2, the Prescribed Subjects and 20th Century World History Topics.Using a comparative approach and emphasising source evaluation skills, this course companion will help students learn content and approaches that are particular to the IB syllabus. Included are the three prescribed subjects with a wealth of source material to help students understand informationfrom different perspectives and from different time periods. A selection of detailed examples is provided on each of the 5 20th Century topics along with case studies from all regions. Also included are links to TOK and the IB learner profile. Examination guidance is also provided.