What did Annemarie learn about peter in chapter 16 of the book number the stars?

In Chapter 16 of "Number the Stars," Annemarie learns that Peter Neilsen is deeply committed to the resistance against the Nazis and is willing to take great risks for the cause. She realizes that Peter is not just a friend to her family but also a brave fighter who is dedicated to saving others, including her Jewish friend, Ellen. This understanding deepens her respect for him and highlights the gravity of the situation they are all facing during the war.