Chris Calton tells the incredible story of one of the most significant episodes in the history of the United States.

Chris Calton analyzes Lincoln’s momentous—and historically controversial—decision.

More Deep South states join South Carolina in seceding from the Union.

With disunion looming, conservative Republicans and southern unionists seek a compromise that would keep the Union together.

For almost a month, South Carolina was the only state to have formally seceded from the Union.

Chris Calton introduces the third season of Historical Controversies.

Throughout the 1850s, tensions over slavery continued to divide the Northern and Southern states. Finally, after the election of Abraham Lincoln, seven of the fifteen slave states broke away from the Union.

Chris Calton discusses the political schisms exacerbated in the aftermath of John Brown’s raid on Harpers Ferry.

Chris Calton concludes the story of John Brown’s raid on Harpers Ferry.

Chris Calton continues the story of John Brown’s raid on Harpers Ferry.