To inform. The author with this line is presenting the information to allow the reader to better understand the author's perspective or point of view. The quote does not include language to persuade, change the reader's mind, nor is the author instructing, or telling someone how to do something. If another option is needed, the second best answer would be to entertain, as this biographical work is meant to inform and like most literature is also meant to entertain, but the more important element is to inform and give perspective.
B destruction
Destruction is to destroy things
