"Sovereign" means powerful. It can mean being specifically more powerful than others, having power over others, but it can also mean being independent, that is not having to answer to anyone else. A sovereign group is a group with either of those two properties.
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.
There are benefits such as low fees and low rates.
Please rate <u>Brainliest</u> (: