One of them was that no other president can expand the 13 colonies
I believe there was a contest but I am not sure the answer to your first question.
I think there is 6 because i remember reading about it but yeah i tried my best.
Answer: 1. More soldiers and more workers
2. Other than shipping, railroads were the fastest way to travel in the time period. With fewer miles of railroad, Southern troops would have fewer options for fast travel to where they would be needed.
3. Quality of troops or leadership, amount of money available, guns and gunpowder already available
