breaks up in 1860 into Northern and Southern wings, 163-165;
nominates two sets of candidates, 164;
campaign of, in 1860, 174;
attempts to reunite, 175;
in North, members of, become Union men, 226;
effort of Lincoln to placate, by giving recognition in cabinet, 235;
Copperhead and other factions of, ii. [95]-[97];
"War Democrats," [97];
makes campaign in 1862 on opposition to anti-slavery legislation, [121]-[123];