5. What was a costly mistake the South made during the Battle of

Chancellorsville?

- The Confederates lost that battle and changed all their generals as a result
-
One of their best generals, Genral Stonewall Jackson, was aciddentially shot and
died.
- They let the North win the battle through surrender

and lack of communication between their leaders.

The costly mistake the South made during the Battle of Chancellorsville was the accidental shooting and death of one of their best generals, General Stonewall Jackson.