here are a few groups i threw together. 1. age of relms= might, magic, mayhem 2. sports= baseball, cricket, poker ( its on ESPN ) 3. islands= cyprus, madagascar, jamaica 4.midievil= castle lands, seige!, middle ages 5. nuclear war= arms race, duck & cover, USApocalypse 6. egypt= upper, lower, nubia ...
you could change the cars to subways that interconnected, that would break up the problem with deadlocks. the territories could be named after the rail maps, usa, africa, europe, austrailia.
how about placing invading armies into the neighboring counties with supply lines leading back to the capital. if supply line is held, you get an auto deploy on your armies that can attack up to two terits away?
i think we should take away all the guns to prevent these terrible tragedies that are happening to our children. we should also outlaw owning a car to prevent all the deaths caused by car accidents.