The purpose of author in Dorothea Lange is to increase the audience's inclination to visual aids like photographs. The author depicts the conditions and situations of farmers and marginalized workers. The author revealed later of her dream to become a photographer someday.
The class of workers where Johnson place writers of dictionaries is those "who toil at the lower employments of life." This refers to the people with low paying jobs. These people have fears, knowing that they are going to be punished if they don't succeed.
The answer to this question is letter B because it shows how much she cares and what she wants to do.
