I think this bcoz it may probably costs a lot on the transportation. Considering the fact that they ill-" treated them they can not take the risk knowing if the will get to their destination or may die along the way. Hope it helped you
It was the CSS Virginia that was the Confederacy's first ironclad vessel, built on the hull of the Union ship, USS Merrimack, although it turned out to not be terribly useful in wartime
