Okay so by saying "It was harder for the ones who were waiting, Annemarie knew." She is trying to say the ones waiting were the peoples family & that its not as dangerous to go out there but its more fearful the people waiting may not get to see their loved one again.
Answer:
4 + 9
Explanation:
1, 2, 3, 5, 6, 7, 8, + 9 aren't the best use of commas.