Every Golden Alliance history book is bound to have dozens of chapters dedicated to the Legion wars, describing how multiple planets and races fought together to expel a threat beyond any the galaxy had faced previous. Most of them, however, will simply gloss over the next few chapters, not saying too much about what happened between the end of the Legion War and the start of the Deviling incursion. It only takes a glance at any Castaways Treaty Systems textbook, however, to see exactly why that is.
During the war, Golden Alliance High Command quickly did the math, looking at the number of planets that Legion had already taken and their exponential rate of conversion, and decided that simply recruiting soldiers to fight them wasn't going to cut it. On top of that, Mecha technology had not yet advanced to the point where effective android warriors could be mass-produced on the scale needed to fight. In order to save the galaxy from total Legion conversion and the