[quote=@vancexentan]
At the moment I think it's fair to say that only people who's put research in know if not then it's mostly just a declared neutral state by the overseer until he says his part.
[/quote]

Ok, thanks. But would it be plausible for a Servant to realise more Servants than the usual seven has been summoned? So even if they didn't know what was planned for this War, they would know it is unusual.