Respuesta :
					                   All of them can be your answers
Since you are comparing 2 or more things, all of them can have different things, 2 authors viewpoints, 2 philosophies the characters are following, multiple settings, and multiple characters.
hope this helps
					                
					             Since you are comparing 2 or more things, all of them can have different things, 2 authors viewpoints, 2 philosophies the characters are following, multiple settings, and multiple characters.
hope this helps
 
			                  