Originally Posted by
kampfer
They were all Night Elves or Keldorei and the Highborne were just elitist of the race. They all ended up on Kalimndor but the Highborne left after being Exiled for causeing a storm that killed many, when they arrived on Lordaeron, they called themselves the High Elves and slowly changed to look more Human.
So no, there wouldn't be Alliance are night Elves and Horde are BloodElves/HighElves/Highborne. They are just gonna b Night Elves.
Also the Highborne were the enemy and the few who weren't were still in the palace for the most part.