Small rather pointless time-saving tip. If for some reason you need to reinstall M2TW, save the "unlocked.txt" file in the "\Medieval II Total War\data\world\campaign\imperial_campaign" someplace safe (assuming you've already used the "unlock_factions" trigger, or honestly unlocked them. When done reinstalling, simply copy that back into that folder. Viola, all factions should be unlocked, instead of having to start the game once, then add the "unlock_factions" trigger to the config file, then loading up the game again.
Cheers!
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