WBorder RuffianWFilibuster WarWCompromise of 1850WFugitive slave laws in the United StatesWGolden Circle (proposed country)WKansas–Nebraska ActWKnights of the Golden CircleWLecompton ConstitutionWNarciso LópezWMissouri CompromiseWOstend ManifestoWSlave PowerWSlave states and free statesWTexas annexationWWilmot Proviso
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