Which of the following best illustrates the concept of total war in world war 1 propaganda campaigns encouraged people to grow their own food artillery shells caused high casualty rates along the western front the alliance system drew almost every major european power into the war millions of young men volunteered to serve when war was declared

Out of the given, 'propaganda campaigns encouraged people to grow their own food' best illustrates the concept of total war in World War 1.

Option A

Explanation:

The concept of total war that emerged before and during the course of World War I referred to war on all the fronts including that of food supplies.

The campaigns that were knowingly and unknowingly carried out before the war emphasised on having self-sufficient supplies of goods and not relying upon enemy countries for the supplies of any sort of food anymore.

b is the answer i am assuming

the answer is aggresion hope this and mark me as brainiest and add me as friend