Silent spring rachel carson what is the best description of the authors purpose in this passage?

How does the narration in this excerpt affect the storytelling? it shows rosa parks’s view of herself. it explains rosa parks’s motivation for staying seated. it shows the poet’s perspective of rosa parks. it provides a portrait of rosa parks with a lot of descriptive detail.

Can someone me answer this english question

Fortify is a verb that means “to protect and strengthen.” a fortifications is a that means something that protects.