During the Civil War, Southern states relied on salt perhaps even more than their Northern counterparts. The commodity preserved various foods—such as fish—and allowed more people to eat and even keep food supplied for a rainy day. As the Union troops began capturing Confederate saltworks, the food supplies there literally began drying up. It was one of the things that led to the end of the war, as food supplies literally not only lost their taste, but their preservative qualities. T...