Free Online HD on Lookmovie. This one-hour documentary takes viewers through an evolution of African American involvement over the course of the Civil War through the stories of some of the most crucial and significant figures of the day including Harriet Tubman, Robert Smalls, Frederick Douglass, the 1st Kansas Colored Volunteer Infantry Regiment, and the most celebrated regiment of black soldiers during the Civil War, the famed 54th Massachusetts Infantry Regiment.