Haibara pauses a moment at Azula's question. Not... necessarily because she's thinking of an answer, but that she's processing the question and why it would be asked.

"We tried to keep some sort of structure going, but there's honestly too few people, and with too many people coming and going at each station." The train leadership was an idea doomed to failure.

"Calling what's left 'the honor system' might be right, but it's also effective due to the closed quarters. If you're too much of a jerk, nobody will help you. If you're violent, there will probably be a half dozen people in the same car willing and able to fight back."