What was Louisiana's role in the Civil War?

Before the Civil War, Louisiana was a major slave state. In 1860, 47% of the population was in slavery. However Louisiana also had one of the largest free black populations in the United States. ... Louisiana formed 265 military units for the Confederacy and 23 for the Union.

Explanation:

Louisiana held an interesting political climate during the American Civil War. It was a prominent slave state; by 1860, nearly half of Louisiana's population came from slaves. ... Lincoln called the Mississippi the “backbone of the Rebellion,” and New Orleans was a prized target for the Union Army very early on in the war.