The statement that best describes how the author develops her ideas about the propaganda was used during wartime is:
She gives examples of different countries’ propaganda campaigns and their biased or inaccurate messages.
Explanation:
The reasons for this answer are two. First of all, the author shows very clearly from the beginning evidence that back he perspective of propaganda being used to manipulate the citizens so they are motivated to follow the governments' objectives and calls. Second, she also provides evidence to clarify the reality behind the government propaganda, but that they used it to provide misinformation to manipulate them.
