World War I was a 'total war' because nations dedicated all their resources to the conflict, involving civilians in the war effort and mobilizing society and economy for victory.
World War I was considered a "total war" because nations devoted all their resources to achieving victory. This entailed a complete mobilization of the economy and society for the war effort. Citizens were actively involved in producing supplies, and governments sought support from their populations on an unprecedented scale.
https://brainly.com/question/28287555