sentences:  After Chase decided not to run, anti-slavery activists cast about for a new candidate.In May 1864, a group led by Wendell Phillips nominated John C. Frémont for president.Most abolitionist leaders and Radical Republicans, including William Lloyd Garrison, Frederick Douglass, and Charles Sumner, decided to support Lincoln over Frémont, as they believed that Frémont's candidacy would ultimately help Democrats more than the abolitionist cause.