What did pop mean when he said I guess the town of freedom's back on the back again in the enormous egg?

In "The Enormous Egg" by Oliver Butterworth, when Pop says, "I guess the town of Freedom's back on the back again," he is expressing a sense of nostalgia and relief at the return of normalcy and safety to their town after experiencing upheaval. This phrase reflects the community's resilience and the hope that they can rebuild and restore their way of life. It signifies a collective optimism about the future, despite the challenges they faced.