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 Resources North South Population 71% 29% Railroad Mileage 71% 29% Manufacturing Plants 86% 14% Industrial Workers 92% 8%