Players should play Horde and Alliance this expansion - Polygon

Battle for Azeroth seeks to harness player passion by pitting the two factions against each other more than ever before. But instead of loyally choosing a side, the best way to play Battle for Azeroth is with both a Horde and Alliance character.

World of Warcraft Horde & Alliance Can Team Up As Permanent Function

For the Alliance! : r/wow

A History of World of Warcraft So Far - GameSpot

Chains of Domination' Is the First Big Update for World of Warcraft: Shadowlands

From Polygon to Paper: Warcraft - IGN

I made an overview of all features added after vanilla. Which would make it no longer Classic to you? : r/classicwow

Horde & Alliance Players Will Be Able To Raid Together In WoW

Rants Disguised as Posts Cynwise's Warcraft Manual

World of Warcraft - Wikipedia

Horde And Alliance Players Will Be Allowed To Group Together In World Of Warcraft - Game Informer

World of Warcraft Will Allow Horde and Alliance Players to Play Together at Last - IGN

I've played Alliance for 10 years, and now Battle for Azeroth is making me fight for it - Polygon

Players should play Horde and Alliance this expansion - Polygon

World of Warcraft®: The War Within™

World of Warcraft Will Allow Horde and Alliance Players to Play Together at Last - IGN