Battlegrounds → World Relation

File in server/game/Battlegrounds	Includes file in server/game/World
Arena.cpp	World.h
ArenaTeam.cpp	World.h
ArenaTeamMgr.cpp	World.h
Battleground.cpp	WorldStates / WorldStateMgr.h
BattlegroundMgr.cpp	World.h
BattlegroundQueue.cpp	World.h
Zones / BattlegroundSA.cpp	WorldStates / WorldStateMgr.h