USS Einstein wrote:
WWIII would never be done justice, and is so close to our time, that any claims would likely insult someone or another - hence why screenwriters also probably kept it as nebulous as possible, only dropping hints about it's nature
That would explain why the term "Eastern Coalition" was invented. Whenever the ECON was mentioned in ST:FC, it was supposed to be China. They changed it at the last minute.
In any case, they could always invent similar names like that for other groups of nations. Isn't that what The Sundered
That being said, I have heard that a particularly excellent TBBS fanfic, First Contact: The Iron Horse
was to be expanded into a full length actual novel. I don't know if they are still planning that, but I dearly hope so.
You can look it up.