Study the collapse of the League, including the Depression, Manchurian and Abyssinian crises and the failure to avert war in 1939.

Chronology anchor: Part two: The League of Nations and international peace in BB Conflict and tension: the inter-war years, 1918-1939 (Paper 1 Section B: Wider world depth studies) provides the direct anchor for this learning objective. Students focus on Study the collapse of the League, including the Depression, Manchurian and Abyssinian crises and the failure to avert war in 1939. The explanation should use the subtopic wording, the relevant period, named events or individuals where appropriate, and precise historical evidence. It should then separate cause from consequence, change from continuity, and significance from importance while keeping sources, interpretations, evidence and opinion distinct.