I think the correct answer is C.
Hope this helps.
He had an affair with her from his wife Elizabeth
African's were much more resistant to the diseases that the Europeans brought than Native Americans were. Therefore, they could survive more efficiently in the slavery conditions they were put in.
Macbeth's conflict is intensified when Duncan names Malcolm as the "Prince of Cumberland", which means he is next in line for the throne.
When Macbeth says "that is a step / on which I must fall down or else o'erleap / for in my way it lies" he is saying that now Malcolm is in his way on his path for the throne and he now has to figure out a way to either jump over Malcolm or it will cause him to fall.