The author, Kathryn Lasky, put the first perspective to a daughter, or kathleen Bowen (which is fictional person) of a women, who were one of the woman's suffarge, so that we'll know better about what woman thought and do about woman's suffarge.
If it was other person's perspective, such as boy, we would have a hard time understanding the deeper meaning for woman, and their thoughts about civil rights.
But, on the other hand, we can know about the thought from other side about woman's rights.
Well, this book,A Time For Courage, is all about woman's suffarge, so perspective from a person who have a close connection with woman's suffarge will make the reader understand better.