I did know Rue. She wasn't just my ally, she was my friend. I see her in the flowers that grow in the meadow by my house. I hear her in the Mockingjay's song. I see her in my sister, Prim. She was too young, too gentle. And I couldn't save her. I'm sorry.
In the world today gang/clan violence is on the rise.In The Last Book In The Universe there are multiple clans fighting to stay alive in the baron wasteland. The author might be warning that if this doesnt stop it could start a big war.