Confrontation at abolition rally in December 1860

Illustration from Harper's Weekly (Dec. 1860), "Expulsion of Negroes and abolitionists from Tremont Temple, Boston, Massachusetts, on December 3, 1860." The image depicts a gathering of abolitionists, in commemoration of the anniversary of the death of John Brown, which became adversarial, resulting in slavery proponents ejecting the abolitionists from the building.