'Mersey Built' chronicles the little-known commercial battle that raged between North and South during the American Civil War. The South relied on Europe for its military supplies, which the North tried to stop with a naval blockade of all Southern ports. The South retaliated by destroying Northern merchant ships on the high seas, using war ships, secretly procured from British shipyards and smuggled out of Britain by sympathetic British captains using British crews. The Charleston-based business empire headed by George Trenholm provided a conduit for Confederate finance with its Liverpool...