Question

what does it mean when world war i is referred to as a \total war\?
many aspects of society were obliterated during the war.
everyone had to serve in the military.
the aim of each side was to destroy the other side completely.
the war efforts needed the participation of as many people as possible.

Explanation:

Total war involves mobilizing all aspects of society and resources for the war - effort. It requires the participation of as many people as possible in various ways such as production, support, etc. It doesn't mean everyone has to serve in the military, nor does it just mean destruction of society or complete annihilation of the enemy as its main characteristic.

Answer:

The war efforts needed the participation of as many people as possible.