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.
The correct answer is: hierarchical with a defined class structure.
Explanation
Hierarchical with a defined class is the option that best describes Songhai's society.
Moreover, a hierarchy refers to a way of categorization of people in a society based on income, power, education, race or dominance over other people, in which the members who are above are superior or can rule those below them. In this case, Songhai society used to work in that way.
The last battle associated with War of 1812 was fought in New Orleans, although the final outcome of the War was practically a "draw" between the British and American forces.