Why is it that when playing with the setting of one army standing guard, that when I send one army to attack any territory it doesn't destroy that one army. I literally lost 5-10 units in a game I'm playing with some friends, because I choose to attack this way usually and never would've thought otherwise as no defending army is normally untouchable. I would appreciate it if an added setting be setup to allow this to be changed. And I would think it would be advisable for there to be more of an explanation in the game setup about this concept, as I would assume most people don't read up the settings unless they're experienced.