What happens to isabel at the end of chains?

At the end of "Chains" by Laurie Halse Anderson, Isabel finally gains her freedom after enduring a long struggle for autonomy and justice. She is reunited with her younger brother, Ruth, and they escape to a place where they can live without the fear of being enslaved. The conclusion emphasizes Isabel's resilience and determination as she embraces her newfound liberty, symbolizing hope for a better future.