Thread:Ghelæ/@comment-26181644-20150613050508/@comment-47205-20150613071225

That's basically all there is to it. Trading with other empires and joining international organisations (and, more importantly, generally participating), as well as providing you with an in-universe reason to advance, helps the community to see how you write your fiction and interact with others so that, basically, we know whether we can trust you with a high-tier civilisation.