Study increasing conflict on the Plains, including the Fort Laramie Treaty 1851, concentration policy, the Indian Wars 1862-1867, Sand Creek Massacre and Fetterman's Trap.

Chronology anchor: Part two: Conflict across America in AA America, 1840-1895: Expansion and consolidation (Paper 1 Section A: Period studies) provides the direct anchor for this learning objective. Students focus on Study increasing conflict on the Plains, including the Fort Laramie Treaty 1851, concentration policy, the Indian Wars 1862-1867, Sand Creek Massacre and Fetterman's Trap. 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.