Study divided society, including organised crime, prohibition, racial tension, immigrant experiences, immigration impact, the Ku Klux Klan, the Red Scare and the Sacco and Vanzetti case.

Historical judgement: Part one: American people and the Boom in AD America, 1920-1973: Opportunity and inequality (Paper 1 Section A: Period studies) provides the direct anchor for this learning objective. Students focus on Study divided society, including organised crime, prohibition, racial tension, immigrant experiences, immigration impact, the Ku Klux Klan, the Red Scare and the Sacco and Vanzetti case. 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.