I believe the answer is
B. This pamphlet calmly disputed the claims that had been made in favor of slavery and provided ordinary citizens and abolitionists with arguments explaining why slavery was wrong.
The line "And soar on high among the blest" means that she wants to be one of God's angels in heaven. :)
I don’t understand this question
I’m pretty sure he means he doesn’t want his poetry to end with him dying, but more of, he hopes his poems continue to give strength to those who read them, recite them. I hope this helps!