Despite the North's larger population, the South had an army almost equal in size, during the first year of the war. The North had a greater industrial advantage. The Confederacy had only one-ninth the industrial capacity of the Union.The Union had to invade, conquer, and occupy the South. It had to destroy the South's capacity and will to resist — a formidable challenge in any war. Southerners enjoyed the initial advantage of morale: The South was fighting to maintain its way of life, whereas the North was fighting to maintain a union.All of the principal ingredients of GUNPOWDER were imported. Since the North controlled the navy, the seas were in the hands of the Union. A blockade could suffocate the South. Still, the Confederacy was not without resources and willpower.