Study Johnson's War, including Gulf of Tonkin, US response to Vietcong tactics, mass bombing, demands for peace, student protests, My Lai, Search and Destroy and the Tet Offensive.

Chronology anchor: Part two: Escalation of conflict in Vietnam in BD Conflict and tension in Asia, 1950-1975 (Paper 1 Section B: Wider world depth studies) provides the direct anchor for this learning objective. Students focus on Study Johnson's War, including Gulf of Tonkin, US response to Vietcong tactics, mass bombing, demands for peace, student protests, My Lai, Search and Destroy and the Tet Offensive. 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.