Following the re-emergence of the Sith Empire, the Sacking of Coruscant, and the signing of the Treaty of Coruscant, which ended the Great Galactic War, the known galaxy entered into a Cold War period.
While no side was willing to declare open hostilities between each other for fear of throwing the galaxy into another massive war, they both acted against each other in their own way.
A galaxy in turmoil is prime for the adventurous pickings of a group of riff raff, destined for greatness.