The pieces of evidence will be parts of the text that show the opinion of the civilians and how they saw the war.
To find these pieces of evidence it will be necessary:
A piece of textual evidence is the part of the text that proves that an argument is true. As you have not shown the text this question refers to, I am not able to answer the question for you, but I hope the above information will help you.
More information:
https://brainly.com/question/375033?referrer=searchResults