Answer:
Spiegelman may have decided to create a graphic novel because he could not describe the images in words.
Explanation:
I do not know what graphic novel this question is about, but a reason Spiegelman may have written a graphic novel instead may have been because he could not describe the images in words.
Usually demand refers to someone tell someone else what to do, or how to do it. For example "Give me the remote." could be demanding.
<span>-sale of indulgences ... -placed emphasis on the Bible as the only true source of religious authority ... -Luther's pamphlet "to the christian nobility of the german nation" encouraged german princes to resist the <span>Catholic church</span></span>