What is the main idea of the book dear miss breed?

The Dear Miss Breed letters open a door into the daily routines, concerns, and hopes of ordinary young people finding themselves in extraordinary circumstances. Like all primary sources, the letters demonstrate the personal and subjective nature of each person's experience

The Dear Miss Breed letters open a door into the daily routines, concerns, and hopes of ordinary young people finding themselves in extraordinary circumstances. Like all primary sources, the letters demonstrate the personal and subjective nature of each person's experience.

The answer is option b and c.