Pro shows the good side of things cons show the bad side of things
A) As Thomas Jefferson is the direct object
In the lines "Because I could not stop for death - He kindly stopped for me -", the poetic device of personification (option B) is used.
Personification implies giving human attributes to a thing or an idea. In this case, the narrator states that he/she could not stop for death so he (death) stopped for her/him. The idea death is given tha human trait of stopping for somebody.
