South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Arkansas, North Carolina, Tennessee, and Virginia were all Confederate Sates.
Maine, Vermont, New Hampshire, Massachusetts, New York, Connecticut, Pennsylvania, New Jersey, Ohio, Michigan, Indiana, Illinois, Iowa, Wisconsin, Minnesota, Rhode Island, Kansas, Oregon, and California were Union States.
Delaware, West Virginia, Kentucky, Missouri, and Maryland were Border States.
The rest weren't states yet or didn't pick a side.
The sheer weight of a thick layer of ice, or the force of gravity on the ice mass, causes glaciers to flow very slowly. Ice is a soft material, in comparison to rock, and is much more easily deformed by this relentless pressure of its own weight.
