How does the speaker personification of learning in lines 14-16 contribute to the poem (this not a small voice)

Which sentence best uses transitions to explain how the evidence supports the reason in the accompanying claim statement? clearly, rainsford did not kill zaroff in self-defense. this statement, therefore, shows that rainsford killed zaroff in self-defense. so, rainsford is not justified because there is no proof he acted in self-defense. in the end, rainsford is not justified in killing zaroff.