Respuesta :
She grew mature quickly and she understood how her life in war was. These are important because they show how Anne was and how she was observant.
Because of her situation being in hiding, she has had time to reflect and mature faster than she would have. Her growing maturity was good at that time because it allowed her to understand their situation. These changes are important because it shows who Anne was and they show how she was able to make good observations about the world around her, despite being trapped in the annex