Human for the Alliance. Orc for the Horde
Collective nouns of armour
There are a variety of sites that offer a Horde Leveling guide for World of Warcraft. One can find this guide on sites such as Ten Ton Hammer, Wow-Pro and Hub Pages.
180 degrees, this goes for any, and every triangle! (WOW!) / (^o^)
According to the WoW Census, the percentage of the factions on Destromath (US) is about 39% Alliance, 61% Horde. However, the census does mention that this data is slightly out of date, so it may vary from this number.
Mage's or Warlock's and hunters.
Take the Horde Zepplin outside of Orgimmar. This will be the one on the right if your outside looking into Orgimmar. This is the fastest way possible. ---- It also depends on where you are starting from and what faction you are. A horde coming from Orgrimmar will take a different path than an alliance coming from The Exodar.
As long as you are both Alliance or both Horde, and on the same server, you just have to travel to the other person's location and you can play with them.
You obtain all of the flight licenses as of cataclysm at a trainer, nearby the flight masters of any major city , either horde or alliance.
I have both the guide and both have it's own pros and cons. It really comes down to whether you are playing the Alliance or the Horde since both have different quests and routes in WoW.
The Goblins that joined the horde joined because when they were fleeing there homeland of Kezan after Deathwing attacked it and caused the volcano to destroy the island, the alliance was in battle with a horde ship. The Human Captain had orders to destroy all ships in the area and leave no witnesses. So they attacked the ship the goblins were fleeing on. After the ship was sunk the survivors went to the near by islands called the Lost Isles. There the Goblin survivors found horde and alliance battling. Since the alliance attacked them at sea the Goblins found the horde camp and asked for help from the horde. In return the Goblins helped them defeat the alliance and rescue Thrall from the alliance who captured him. After this Thrall gave the Goblins a token to give to Grommash Hellscream in Org. And this is how they joined the Horde
The hardest raid is no longer ulduar, the hardest WoW raid is Trial of The Grand Crusader 25 man heroic raid.