Complex sentence: Total war is warfare that includes any and all civilian-associated resources and infrastructure as legitimate military targets, mobilizes all of the resources of society to fight the war, and gives priority to warfare over non-combatant needs.
Split into simpler sentences: Total war is warfare that includes any and all civilian-associated resources and infrastructure as legitimate military targets. It is a type of warfare that mobilizes all of the resources of society to fight the war, and gives priority to warfare over non-combatant needs.