A lot of times it is one regimes leaders disagreeing with another regimes leaders. Most of the people in the two regimes could care less and do not want to go to war. What should happen then is the leaders of the 2 regimes are put in a closed room and the ones to emerge alive win. They so badly want to go to war get their butts in there and let them duke it out.
Another of the few where Hobbes is not a stuffed tiger with someone other than Calvin in the frame.