This bundle set, which includes 15 lesson plans, four major study guides, and 10 Teacher Answer Keys, is aligned with the IBO's 2020 IBDP History Study Guide. The following lessons and topics include the following:1. The View of the 'Big Three', the Terms within the Treaty of Versailles, Historiography on the Causes of the First World War and Debate (Primary and Secondary Source Readings and Rubric included);2. The League of Nations - Successes and Failures on Resolving Conflicts and Disputes in