Which judgement is best supported?

Chronology check: Vietcong is significant when tied to Gulf of Tonkin. 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 sequence, turning point, period, before, after, continuity, change; do not choose a distractor simply because it sounds historical.

The correct option is Vietcong is significant when tied to. This MCQ is about Which judgement is best supported, 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 broad opinion without context.; 2) A consequence described as a cause.; 3) An interpretation treated as factual evidence.. To decide between them, students should place, order, connect, contrast the option against chronology, evidence and the learning objective, then keep evidence separate from opinion and interpretation.