Yes that was also some of the things ive thought about. Yet id more rather see the BL as babarians, since they have no real foothold in Azeroth at present time.
My thoughts for races:
Orcs
Leaders: Thrall, Orgrim Doomhammer, Nerzul, Guldan.
Traits: Aggresive, Spiritual.
UUs: Grunt, Raider, Orc Shaman, Far Seer(Would have a limit cap), Blademaster(Would have a limit cap), Warlock.
Trolls
Leaders: Vol'jin, Sen'jin.
Traits: Expansive, Aggresive.
UUs: Headhunter, Shadowhunter(There may be a more powerfull version of them with alimit on), Bezerker, Witchdocter, Troll Shaman, Hakkar Worshipper(Powerfull, yet causes cities to become unhappy, and unhealthy), Avatar of Hakkar(VERY powerfull unit causes revolts all over your country, exept in the city he is built, can only have one and causes major unhealthyness and unhappiness), Troll Mage.
Taurens:
Leaders: Cairn Bloodhoof, Magatha Grimtotem, Taur Runetotem
Traits: Spiritual, Expansive or Philosophial.
UUs: Tauren Shaman, Tauren brave, Tauren totemist, Tauren druid, Spirit walker, Cheiftain
Forsaken:
Leaders: Sylvanas Windrunner, Varimathras.
Traits: Aggresive, Organised.
UUs: Dark Ranger(Would have a limit), Deathgaurd, Apoticary, Undead warlock, undead mage.
Bloodelf:
Leaders: Prince Kael'thas.
Traits: Organized, Finantial.
UUs: Bloodmage(Limit), BE mage/warlock, Spellbreaker, Ranger.
Humans:
Leaders: King Llane, Sir Lothar, Uther the Lightbringer, Jaina Proudmore.
Traits: Agresive, Instrudios.
UUs: Paladin, Knight, Human Mage, Human warlock, Human Necromancer(Can only have 2 or 3 and will cause unhappyness and health problems.), Human Priest of the light.
Gnomes:
Leaders:
Traits: Philosial, organized.
UUs:
Dwarfs:
Leaders: Muraodin Bronzebeard, Magni Bronzebeard, Khardros Wildhammer.
Traits: Organized, Instrudios.
UUs:
Night Elves:
Leaders: Malfurion Stormrage, Tyrande Whisperwind, Cenarious.
Traits: Spiritual, Organized.
UUs:
Dranei:
Leaders: Akama
Traits: Spiritual, Philosial.
UUs:
Naga:
Leaders: Lady Vash, Queen Azshara.
Traits: Spiritual, Agresive.
UUs:
Scourge:
Leaders: The Lich King Nerzul, Arthas, Kel'thuzad.
Traits: Agresive, expansive.
UUs:
Dark Iron Dwarfs:
Leaders:
Traits: Instrudios, Agresive.
UUs:
Goblins:
Leaders: Gazlowe, Baron Revilgaz.
Traits: Finantial, Expansive.
UUs:
Pandas:
Leaders: Chen Stormstout.
Traits: Spiritual, Expansive
UUs:
Those arent filled out is because im too lazy right now. Its purely my thoughts. The traits ive written is ofc just a overweiv of the whole race as it self, not leaders. Ill do that.. later..