Lead: One hundred and fifty years ago the Republic was facing its greatest crisis. This continuing series examines the American Civil War. It is "A House Divided."

​Intro: A Moment in Time with Dan Roberts.

​Content: The Election of 1860 was perhaps the most distinctive in U.S. political history. There were four parties and four candidates, but even more unusual, the two major parties, the Democrats and Republicans, only were able to seriously compete in the free states. After an abortive attempt in at securing a Democratic candidate in Charleston, S.C., southern delegates walked out over the issue of a national code which would enforce protections for slavery in free states and territories.