Study easing of tension, including Soviet human-rights records, reasons for détente and SALT 1, and the roles of Brezhnev and Nixon.

Historical judgement: Part three: Transformation of the Cold War in BC Conflict and tension between East and West, 1945-1972 (Paper 1 Section B: Wider world depth studies) provides the direct anchor for this learning objective. Students focus on Study easing of tension, including Soviet human-rights records, reasons for détente and SALT 1, and the roles of Brezhnev and Nixon. 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.