In the mid-19th century, scholars identified total war as a separate class of warfare. The term has been defined as 'A war that is unrestricted in terms of the weapons used, the territory or combatants involved, or the objectives pursued, especially one in which the laws of war are disregarded.' Total war is a type of warfare that includes any and all civilian-associated resources and infrastructure as legitimate military targets, mobilises all of the resources of society to fight the war, and gives priority to warfare over non-combatant needs.