Who is leaving? Why must she keep it a secret?
The answer to this question can be found near the end of chapter 19. The first half of this chapter contains narration about Lyddie attending one of Diana's meetings, and Lyddie leaves frustrated that she missed her chance to sign the petition. Diana offers to walk Lyddie home, and Diana laments at one point that she will miss Lyddie. Lyddie doesn't understand because Lyddie knows that she herself doesn't intend on going anywhere. Diana clarifies by saying that she will be the one leaving. She has plans to go to Boston. Diana is leaving so that she won't be dismissed from the factory for being pregnant. Diana isn't married, so the news already a little bit scandalous; however, it is made more scandalous by the fact that the father is already a married man. The entire thing has to be kept a secret to protect her reputation, the father's reputation, and not bring dishonor to the Association. "I'll need to go soon. I can't bring dishonor on the Associa...