Mainly two things:
No advantage that I can see. France didn't have a dog in this fight and the rest of Europe stayed out of it as well. This was a US internal problem.
West Virginia. It became a separate state in 1863, and re-joined he Union.
Jefferson Davis
The only President of the Confederacy was Jefferson Davis who was not an African American
Richmond
I HAVE NO IDEA!!!!
Richmond
At the time, the Civil War was still occurring. When West Virginia became a separate state, the Confederacy lost land and important railroads.
What is the famous battle in Pennsylvania became known as High Water Mark of the confederacy
Jefferson Davis became the president of the Confederate States of America in 1861
dirt.
The Confederacy
The ability to have an ample supply of salt became a problem for the Confederacy. Salt was a necessary diet product, but was vital to preserving foods for Confederate field armies. This became a critical matter that required the the utmost attention.