Related time notesFour Random Books 15: Civil War9 Dec 20206:33Fort Sumter, Buchanan, and the collapse of compromiseChapterFour Random Books 15: Civil War9 Dec 20208:51How Buchanan's cabinet moved toward a Union positionNotable PointFour Random Books 15: Civil War9 Dec 202012:12Competing claims about Buchanan's Fort Sumter pledgeNotable Point