What are the strengths and weaknesses about the confederate involvement in the civil war?

Union:
strengths
population of 22 million people
many people to grow food and work in factories
factories made supplies
railroads
strong navy
weaknesses
had to conquer a large area
invading unfamiliar land

Confederacy
strengths
Defending their homeland 
Did not want to lose land, country, and freedom
good soldiersexcellent shooters 
former officers in the US army
weaknesses
few factories 
few railroads
few supplies
small pop. 9 mil
more than 1/3 were enslaved 
poor navy