[fortheDeclaration]

The South wasn't fighting just to keep slavery

Slavery was the key issue that the South left the Union.

That alone makes everything else irrelevant.

[capitan_refugio]

"Slavery was the key issue that the South left the Union."

That it was, despite the protestations of the rebel wannabes. One need only review the pre-war speeches and editorials to understand the motivation of the southern leadership.