process of, in 1860-[61], [182]-[187];
discussed by Buchanan, [188]-[190];
admitted by Northern leaders, [192], [193], [231];
threatened by New York Democrats, [197];
Lincoln's view of, [221], [293], [294];
Southern theory of, [224], [225];
its success makes union, not slavery, the issue at stake, [226]-[228];
renewed by Border States, [262]-[269];
recognized as not the ultimate cause of war, ii. 2;
again asserted by Lincoln to be cause of war, 107, 108.