Double/Triple Suggestion

You should make it so that if they share a continent they should all get the territory bonus. I.e. I own half of the continent, my buddy owns the other hlaf. We both get the bonus
Conquer Club, a free online multiplayer variation of a popular world domination board game.
http://www.tools.conquerclub.com/forum/
http://www.tools.conquerclub.com/forum/viewtopic.php?f=471&t=24148