Which seven U.S. states seceded and formed the original Confederacy during the U.S. Civil War?

The seven U.S. states that seceded and formed the original Confederacy during the U.S. Civil War are:

1. South Carolina
2. Mississippi
3. Florida
4. Alabama
5. Georgia
6. Louisiana
7. Texas

These states seceded from the Union primarily over issues of states’ rights and slavery, leading to the formation of the Confederate States of America in 1861. This action was a key event that sparked the Civil War, as the federal government aimed to preserve the Union. If you have any more questions or need further assistance, feel free to ask!