factions

I found FACTION.txt (which was all I could find on google) but I don't know how to modify it and it only listed the current faction my saved game uses.

Alpha Centauri Alien Crossfire added some interesting new factions, but HOW does a player get the game to include all 14 factions in one game? Sorry to be dumb if this is already possible. Is there a mod link I haven't found? Playing on Windows 7 btw. Also, how do you turn off the mandatory...