Even while the Civil War raged, slaves in Cuba could be heard singing, “Avanza, Lincoln, avanza! Tu eres nuestra esperanza!” (Onward, Lincoln, Onward! You are our hope!) – as if they knew, even before the soldiers fighting the war far to the North and long before most politicians understood, that the war in America would change their lives, and the world. The secession crisis of 1860-1861 threatened to be a major setback to the world antislavery movement, and it imperiled the whole experiment in democracy. If slavery was allowed to exist, and if the world’s leading democracy could fall apart...
