Why did Armand in Family Under the Bridge have to coax children move along streets chapter 3?

You are likely referring to the book "Family Under the Bridge" by Natalie Savage Carlson. However, the specific details you mentioned - Armand coaxing children to move along streets in Chapter 3 - are not present in the book.

While Armand, the main character, is a kind and caring man who helps those in need, the story focuses on his relationship with the children he takes in under the bridge and their struggles to survive. The book does not contain a scene where he has to move children along streets.

It is possible you are remembering a different scene from the book or another story altogether. If you can provide more context or details about the specific scene, I might be able to help you find the answer.