How did the relative strengths of both the north and the south contribute to a long war?

The North had manpower,resources, railroads. More population to fight, more industrial workers. Were as the South had determination to defend the south, cotton industry, top generals, and military tradition.As both the North and the South mobilized for war, the relative strengths and weaknesses of the "free market" and the "slave labor" economic systems became increasingly clear - particularly in their ability to support and sustain a war economy. In hindsight, we could see that the growing divergences between the economies of the North and the South in the immediate pre war years had a decisive influence upon the conduct and outcome of the war itself.

Explanation

when in doubt choose c

it's what my teacher told my class when we were going into psats