Which option separates cause and consequence?

Evidence check: Vietcong should be explained before judging consequences. is the best answer. It fits Part two: Escalation of conflict in Vietnam within BD Conflict and tension in Asia, 1950-1975 and directly supports Study Johnson's War, including Gulf of Tonkin, US response to Vietcong tactics, mass bombing, demands for peace, student protests, My Lai, Search. Check this by using evidence, provenance, date, event, individual, policy, consequence; do not choose a distractor simply because it sounds historical.

The correct option is Vietcong should be explained before judging. This MCQ is about Which option separates cause and consequence, not just general recall. The correct option works because it matches the period context of Paper 1 Section B: Wider world depth studies and uses the same evidence base as Study Johnson's War, including Gulf of Tonkin, US response to Vietcong tactics, mass bombing, demands for peace, student protests, My Lai, Search. The rejected options are weaker: 1) A source comment with no provenance.; 2) A long-term cause treated as a result.; 3) A similarity presented as a difference.. To decide between them, students should identify, support, test, reject the option against chronology, evidence and the learning objective, then keep evidence separate from opinion and interpretation.