User blog comment:Krayfish/Reviews and retcons/@comment-4730598-20121129233713/@comment-1743498-20121130003641

I suppose they don't have to be. By integrate, I thought you were referring to tandem or incoporation into the Galactic Senate. If you want to, they can be something standalone and isolated like the Zeth are. That will be more than enough to have them part of the universe.