This coursebook covers Higher Level option 5, Topic 8, Interwar Years: Conflict and Cooperation 1919–39. The text is divided into clear sections following the IB syllabus structure and content specifications. It offers a sound historical account along with detailed explanations and analysis, and an emphasis on historical debate to prepare students for the in-depth, extended essay required in the Paper 3 examination. It also provides plenty of exam practice including student answers with examiner's comments, simplified mark schemes and practical advice on approaching the Paper 3 examination.