Scrapjack Universe worldbuilding

The United Solar Nations
Once colonies were first established, the local governments of Earth attempted to extend their influence to other worlds. At first, this seemed successful but as other planetary cultures developed, so did the friction with the homeworld. The generations-old treaties covering activities beyond Earth had not kept up with technology or humanity's achievements.

As no Earth nation or corporation was willing to subordinate to another with regards to expansion and matters of o...