Sadly, you can't
The Undead is the same thing as Burning Legion. you can also use the burning legion in Campaign, single player.
On Warcraft 3 you cannot be the centaurs in the mission but you only can play as the centaurs in the custom map.
There is no world of warcraft 3. There is world of warcraft, and warcraft 3. Unless you want to refer to Cataclysm. If so then no, you'd fail.
You can't play dota without installing warcraft 3.
Warcraft 2's expansion, Both Warcraft 3's and World of Warcraft are all online play. warcraft 2 and 3 use battle.net, while World of Warcraft is a paid subscription MMORPG
yes
Yes, you can start from level 1 and go right through to level 85 however, you will need to download the other 3 games first World of Warcraft then World of Warcraft: The Burning Crusade, then World of Warcraft: Wrath of the Lich King and finally Cataclysm.
You cannot be him but you can battle him in the Undead campaign.
STORMWIND is the main alliance city as far as i know. I do not play world of warcraft but i have played the trial 3 times :D
Yep, slow though.
You cannot be him but you can battle his army in a alliance mission
u just finish the human campaign