The answer is Thunder, Lightning , Rain Macbeth based these three character from the 'Three Fates' that written in the Greek Mythology. In the story, these three withces took the role to greet Macbeh with the prophecy that he's gonna be a king, but they actually also took a role in his Downfall.
The answers are A and C because the northern army grew with the addition of the African Americans while the confederates suffered mutiny. And the same idea with the labor force