Which is an accurate description to an advantage held by one side at the beginningg of the civil war?

At the beginning of the Civil War, the Union held significant advantages, particularly in terms of industrial capacity and infrastructure. The North had more factories, enabling greater production of weapons and supplies, and a more extensive railway network for transporting troops and resources. In contrast, the Confederacy had the advantage of fighting a defensive war on familiar territory, which could bolster troop morale and support from local populations.