[Baalz]

Well, it's pretty silly to say there are rules of conduct, or even house rules that can be codified. As Micah says the game is so open ended each situation is unique. I will say, ethically and from a sportsmanship point of view it's pretty crappy to do things for the explicit purpose of screwing up your opponent *after your defeat*. That's obviously a very ambiguous way to put things, but you know what I'm talking about. I doubt anybody would say any action was not justifiable if you did it to increase your own chances but there is certainly some behavior which is well over that line. If a nation attacks you and you decide you're (essentially) defeated it's nothing but sour grapes to try and make sure he doesn't win the game by razing your capital, sending gems to an uninvolved 3rd party, etc. You can try to justify it with RP, but it's just poor sportsmanship and detracts from the fun of the game. RP or not you can't lose sight of the fact that we are indeed playing a game, and when you get outplayed (or unlucky) the appropriate response is "gg", not "F-You".