[quote=@Alfhedil]
<Snipped quote by duck55223>

Pan-[b]Sol[/b]ar Confederacy. The core of the faction is centered around Sol, and the capital of the government being Earth and Mars.
[/quote]

Why Not Pan-Centauri Confederacy, you could have some story about how humans colonised the multiple Centauri Systems, and when the dark ages of Human History began, they lost contact, leading the the creation of the Pan-Centauri Confederacy, that including every Human Planet in all of the Centauri Systems?