It was a bad decision on his part. Some may say his decision was good at the beginning but ultimately he made the choice to stay at war which led to a bad turn of events. Millions of dollars were spent on this and it wasn't even really successful, so I believe that was a poor decision.
Answer:
The Civil War.
Explanation:
The south states protested to ban slavery.
Hope this helped... had the roughly do internet research
Well duh bro it is in there