[WOSG]

"What part of the Republican Platform of 1860 do you think triggered the secessionist before Lincoln ever took the oath of office?"

Hit nail on head - directly.

[LexBaird]

Here's the Republican Platform of 1860, for those who want to read it for themselves.

The Scary Document

Here's the Breckinridge faction Dem Platform

Here's the Douglas faction Dem Platform