Scope gives the basic possible size of the military of the society. Different kinds of military units have different effectiveness based on their organization. The former are standing troops available at all times. The latter are provisional troops raised at time of need. Of course, one may want to deal more troop types, but in general these two suffice.
All troops have two determinants, size and force, which together give their effectiveness in battle.
Notice that the modifiers given below are divided amongst the different troops, not applied to all troops. Battle force First determine the largest military unit on battle field. Then reduce the Force of all other military units by their size difference with that unit. The actual Force value of each side is the maximum of the Force values of its military units after reduction. Winning Roll 4DF for both sides.