Well, since you didn't include the excerpts, I cannot possibly know which ones you are referring to, but overall, Dickinson used iambic tetrameters and iambic trimeters in this poem.
Personification is when you give human characteristics to inanimate objects
I believe the correct answer is the last one - to provide a contrast to his group's nonviolent efforts.
Martin Luther King advocated protests, but those which didn't end up in violence. He wanted to fight for equal black rights, without having to resort to aggression and crime. Thus he added these sentence to distinguish his group from those such as Black Panther Party, and others.
When a mommy and daddy decide they want to have a baby, they have what is known as "intercourse". This is when the daddy inserts his reproductive organs into the mommy's reproductive organs. When intercourse is done, the pregnant stage takes nine months, when those nine months are up, and the baby is ready, the laboring stage takes place. After a few hours of the laboring stage, viola, you have a baby.