Okay, for the getting the group wars units into both 3rd and 4rth grade, I've made a list of techs to be moved to, and stat changes (Trying to make the units more specialized, so you actually have an incentive to build them)
GWC
Infantry: Change animation to
space marine (The old one was kinda buggy)
Move to 4rth Grade
Increase movement to 2.
Mechanical infantry: Move to Diplomacy
Decrease attack to 5
Increase defense to 7
Jedi: Move to Nationalism
Increase attack to 9
Decrease defense to 4
Char
Fire Salamander: Move to Pokemon
Decrease attack to 6
Increase defense to 3
Increase movement to 2
Flamethrower: Move to Tribal Council
Give bombard of 4 and rate of fire of 2
Lava Elemental: Move to Nationalism
Pokemon Master: Move to Pokemon Masters
Horse
Dragoon: Move to Excessive TV
Increase defense to 6
Decrease movement to 2
Decrease attack to 5
Cavalry: Move to 4rth grade
Increase movement to 4
Mounted Archer: Decrease defense to 4
Increase movement to 4
Increase rate of fire to 2
Heavy Dragoon: Move to Speeches: Decrease attack to 6
Grand Horde: Move to The Great Horde.