Mercer, Charles Fenton, author of law against African slave trade, [36];
of resolution denouncing African slave trade as piracy, [36];
his remarks in Congress, supporting resolution, [36], [37];
his visits to the Old World, seeking co-operation, [37];
prominent in organizing American Colonization Society, [61];
anti-slavery sentiments of, [98].
Mercer, Margaret, her letter to Gerrit Smith regarding Abolitionists, [175].
Mills, Samuel J., his visit to Africa, regarding establishing Colony of Liberia, [62].
Missouri Compromise, its enactment and repeal among causes of Civil War, [4];
provision of, restricting rights of slaveholders in territories, [180];