Book excerpt: The renowned IB Diploma History series, combining compelling narratives with academic rigor. A new edition for World History Topic 10: Authoritarian states (20th Century) An authoritative and engaging narrative, with the widest variety of sources at this level, helping students to develop their knowledge and analytical skills. This second edition of Access to History for the IB Diploma: Origins and development of authoritarian and single-party states provides: - Reliable, clear and in-depth content from topic experts - Analysis of the historiography surrounding key debates - Dedicated exam practice with model answers and practice questions - TOK support and Historical Investigation questions to help with all aspects of the Diploma