I would say that William Blake directs the poem's praise to the gentleness of nature. The book where all these poems are written is called Songs of Innocence, so it is obvious what he is talking about.
In this sentence the word woe is proceeded by the description "terrible war" which would suggest suffering and grief to those affected by it.
Baldwin not only describes how white people hate black people, but also shows why black people carry the same act. At one point in his book, he writes: “I imagine that one of the reasons people cling to their hates so stubbornly is because they sense, once hate is gone, that they will be forced to deal with pain.” It is the representation of a post-hate state: the hate is gone, but the process continues - the person suffers the consequences of his acts after realizing what he has done. The correct answer is B.
C. your is the correct answer. Hope this helps