Answer:
Part A:
Lenore has died
Part B:
"Respite- respite and nepenthe from thy memories of Lenore"
Explanation:
The text doesn't say how Lenore has died, it's just kind of implied in this stanza near the beginning: " Ah, distinctly I remember it was in the bleak December;
And each separate dying ember wrought its ghost upon the floor.
Eagerly I wished the morrow;—vainly I had sought to borrow
From my books surcease of sorrow—sorrow for the lost Lenore—
For the rare and radiant maiden whom the angels name Lenore—
Nameless here for evermore. "