Triple Entente - What if the FBU, UASR, and USSR United?
Based on Triple Entente, an in-universe novel from the world of Undying Sun, so I'm ripping myself off here. Also, obviously, I'm ripping off what I know of CoDominium, so...
Triple Entente is a dystopian science fiction novel taking place in the year 2560, focusing on the so-called Triple Entente, an arrangement formed out of the brutal capitalist Franco-British Union, the libertarian and socialist but uncanny and inhuman Federation of Socialist Republics, and the Cluster of Soviets, a grouping of authoritarian and socialist countries that have regained the brutality of the pre-reforms Soviet era. The FBU has several space colonies, most notably on Mars, the FSR is based around the UASR on Earth, and it currently rules the entire Western Hemisphere and most of the Moon, and the Cluster happens to control the vast majority of Mars but is a decaying yet massive beast.
This world was created during the formation of the Triple Entente, an agreement in the name of ending the Cold War to produce a League of Nations between the three superpowers. The Cold War had dragged on long enough that such an act to end the war was eventually chosen to finally solidify an end to the Cold War and the dawn of a new, prosperous age. The UASR delved deep into hedonism and virtual-reality pleasure, splicing genes and eventually, over time, the Federation of Socialist Republics has become home to a new kind of humanity, the so-called Homo Liber, the Free Human.
Homo Liber is free of unnecessary guilt, debilitating fear, depression, most mental illnesses, and almost all disease, and the people of the FSR can change their physical bodies using advanced technology to appear however they wish. The FSR, however, is largely uncaring about the outside world. It's perfect socialism, in isolation and without challenge from the capitalists, conflict within the Triple Entente ceasing largely over time due to the Entente growing more and more powerful.
The FBU, of course, is the same as it always was, and distrusts the totalitarians who've long since run the show in the Cluster of Soviets, a super-state of super-states run out of the Soviet Union, as well as the hedonistic elf-people of the FSR. The people of the FBU, the heroes of this tale, are simple but intelligent people, rugged and hardened men and women from an earlier, simpler time, before this dark world, who know that they are the weakest part of the Entente.
They are depicted in the novel as reasonable, intelligent, competent, and generally able to see through the bullshit of the FSR and able to hit the Cluster's spies and political officers with a good punch to the gut. In a dictatorial future, the oligarchical FBU is still depicted as the best option available. Finally, there is, of course, the Cluster of Soviets, a dark state ruled with an iron fist by the General Secretary, and the Cluster of Soviets is poorly-defined in the story and generally considered to be the least well-written portion of
Triple Entente. 
