If I understand your question, the leaders of the confederacy  believed states had the right to secede from the Union.
Ash dieback (Chalara fraxinea) is a fungal disease that affects ash trees.It has spread throughout much of western Europe. The disease causes die back of the tree's crown and infects the vascular system causing blockages.sh dieback (Chalara fraxinea) is a fungal disease that affects ash trees.
or ashfall. noun, Geology. 1. a rain of airborne ash resulting from a volcanic eruption. 2. the deposit produced by such an event.