What would be a good thesis for an essay about who is responsible for Duncan's death in Macbeth? My teacher assigned us an essay about: Who is...

Any
answer to this question would have to begin by looking at , Scenes 5 and 7. In Act I, Scene 5,
Ladyrecieves a letter from her husband describing his meeting with. She resolves then to do what
is necessary to push her husband toward his destiny, no matter what it takes. Fearing that her
husband is too full of the "milk of human kindness," she asks the...