How does evidence shape Bolshevik Revolution?

Narrative sequence: answer How does evidence shape Bolshevik Revolution by focusing on Part three: Ending the war. Use the chronology of BA Conflict and tension: the First World War, 1894-1918, select named evidence connected to Study changes in the Allied forces, including consequences of the Bolshevik Revolution and Russia's withdrawal for German strategy and the reasons for, and order events accurately, show movement from one development to the next, and avoid jumping chronology. End by answering the command word directly.

This exam-style task requires a developed historical argument rather than a list of facts. Begin with the relevant period from Paper 1 Section B: Wider world depth studies, then anchor the answer in Part three: Ending the war. The evidence should connect to Study changes in the Allied forces, including consequences of the Bolshevik Revolution and Russia's withdrawal for German strategy and the reasons for and be explained through cause, consequence, change, continuity, significance or interpretation as appropriate. A strong final judgement shows why the selected evidence is more convincing than a vague or unsupported claim.