What is "total war"? In what way was World War I an example of total war?

WW1 is an example of total war because of the use of Propaganda (for recruitment) and putting civilians in danger by targeting them.

I can tell u one part of that question.

Explanation:

Total war, military conflict in which the contenders are willing to make any sacrifice in lives and other resources to obtain a complete victory, as distinguished from limited war.