macbeth act five

why and how does birnam wood come to dunsinane? malcome order his solders to cut down the branch of burning wood to dis sky number of order
how does shakespeare use the character of the doctor ?
what character flaw leads to macbeth downfall,and how does it change him during the play? list some examples ? his amibitious/ untial charater he is known for honor and braver,he is in kings ducan position, he like banquo, he loves his wife and hates the thought of murder.
when lady macbeth writes in her sleep this event symbolizes how macbeth has murdered sleep. what are her other activities that amaze and confues the doctor and gentle woman? she keep rubbing her hands together and keep talking in her sleep
situation irony occurs as lady macbeth cannot longer stand the sight of blood