While they strive to do such peacefully, some colonies and species are a bit resistant and as such force must be used. And the rebels that remain after annexation? They too become like the rest of the commune. All must be equal.
That's... kinda creepy.
PS. I think you misspelled quadstar in the first post.
PPS.
a quiet system unlike any other.
Umm...Though, if you meant natural quad systems, yeah, life bearing ones would probably be extremely unique.