What purpose did Goodall have for including so many details about her life in the camp and how she went about studying the chimpanzees?

Read the excerpt from the diary of a young girl. father finally came home around five o'clock, and we called mr. kleiman to ask if he could come by that evening. mr. van daan left and went to get miep. miep arrived and promised to return later that night, taking with her a bag full of shoes, dresses, jackets, underwear and stockings. after that it was quiet in our apartment; none of us felt like eating. it was still hot, and everything was very strange. which detail from the excerpt reflects the mood of uneasiness and anxiety? “miep arrived and promised to return later that night” “we called mr. kleiman to ask if he could come by that evening” “father finally came home around five o'clock” “it was still hot, and everything was very strange.”