Unverified50% confidenceFactExact time
流血堪萨斯时期(1854-1861)围绕奴隶制问题爆发了准战争状态的暴力冲突,亲奴派的边境恶棍与反奴派的自由土壤者频繁交火
1
Sources
50%
Confidence
Long-term
Relevance
8/21/2026
First Seen
Sources
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