Thank you for answers.
Squads.txt file was really useful.

Finally I know that peasants are useless also in naval battle, because:
Peasant -
NavalCombat 20
NavalBonus 0

And now I understand that cavalry (including light, but not shooting) are much more useless than heavy infantry (I thought they ...

Now I have troubles in naval battle, because my powerful army of Hastati can't win. :cry: :)
There is Huge of something, but if they were on land then I would crush them like a bug. But they are standing always in sea and can attack any of my 3 cities, which I can't afford to defend all. :x ...

I found out that easy and impossible levels are almost the same. The actual difficulty of playing decides only the map I am playing.
Why is that?
Easy should be really easy and impossible should be really almost impossible to play.
For example, I played the 1st map after tutorials, i.e. "13 ...

I have the same Question.
And thanks, you already answered it.