Answer:
In Act I, Ross brings good news. He tells Duncan of Macbeth and Banquo's valiance in defeat of Norway. Later, he tells Macbeth that he is Thane of Cawdor. In Act IV, Ross informs Lady Macduff that her husband has left them for England.
Explanation:
It is necessary because if you don't have a confirmed opinion with textual evidence to back it up you wont have a good argument.
A) "Black Hawk tried to save you, and avenge your wrongs. He drank the blood of some of the whites."
Answer: a. what the author was trying to achieve
Explanation: It's either this one of d. because what the author was trying to achieve is what the authors purpose for writing the work is and an authors work should accomplish or close to accomplish their purpose.
I think its c the name under which the website domain is registered.