The phrases in this excerpt that help to reveal the meaning of the word "blight" are:
The meaning of the term Blight is <em>scourge, whiter, disaste</em>r.
The support of the meaning in the excerpt is "the last bitter hour": the final moments when someone is going to die.
“stern agony, and shroud, and pall": the end of a life using dramatical terms.
"breathless darkness": a kind of disaster that is coming, not to be avoided that paralyzed people.
Because the organization depends on how you will be making the essay because if you did order of importance than your central idea would most likely be developed in the beginning, but if it was like order of like same and difference then the central idea would be tough to put in you would have to put the central idea at the end to clarify why you did the order of same and difference.
B, I think that supposed to be snuck instead of slunk
I'm not exactly sure, but I think this statement is true, although the antagonist can sometimes be a rival to the protagonist without knowing. It really depends.
