Study the outbreak of war, including Slav nationalism, Serbia and Austria-Hungary, Sarajevo assassination, July Crisis, Schlieffen Plan, Belgium and reasons for the escalation of conflict.

Exam argument: Part one: The causes of the First World War in BA Conflict and tension: the First World War, 1894-1918 (Paper 1 Section B: Wider world depth studies) provides the direct anchor for this learning objective. Students focus on Study the outbreak of war, including Slav nationalism, Serbia and Austria-Hungary, Sarajevo assassination, July Crisis, Schlieffen Plan, Belgium and reasons for the escalation of conflict. 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.