MTW2 has a number of improvements over RTW, one of which is the availability of more faction slots. In EB1 we saw the "Koinon Hellenon", which is really a fictitious state.
I think it would be better to replace the "Koino Hellenon" faction with the Aetolian and the Achean League.
Greece was an important region at that time, giving an accurate representation of the political state it was in seems necessary. The "Koino Hellenon" also gives the false impression that all Greek cities or most of them were united, which they they never were.
p.s. I'd include historical information on both of these, but all I have is the pelican history of Greece, I'm sure the EB members have sources that go into greater depth.
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