boatswains, firemen and gunners. In addition the North was forwarded by more than 200,000 civilians, mostly freed slaves. They served as spies and scouts. The most remarkable of all Union spies was a woman named Harriet Tubman. She organized slave intelligence networks behind enemy lines and led scouting raids. With the defeat of Confederate forces, the Black South exploded in a series of Jubilees that continued until the winter of 1865. But without the means to realize their freedom, most freedmen were driven back to the plantation by hunger and violence. The Civil War was the bloodiest in U.S. history. More Americans died fighting each other than died in all its other wars. ...