Team bonus

A Team Bonus is a special kind of civilization bonus that not only affects their own civilization, but also affects all of their (potential) allied players. Two of the same team bonuses do not stack, but a team bonus can stack with another bonus. This page contains the complete list of all team bonuses in Age of Empires II.
 * Aztecs: Relics generate 33% more gold.
 * Berbers: Genitours also available in allies' Archery Ranges.
 * Britons: Archery Ranges work 20% faster.
 * Byzantines: Monks heal 50% faster.
 * Celts: Siege Workshops work 20% faster.
 * Chinese: Farms start with +45 food.
 * Ethiopians: Towers and Outposts have +3 line of sight.
 * Franks: Knights have +2 line of sight.
 * Goths: Barracks work 20% faster.
 * Huns: Stables work 20% faster.
 * Indians: Camels have +5 attack vs. buildings.
 * Incas: Farms are built 50% faster.
 * Italians: Condottieri are available in allies' Barracks in the Imperial Age.
 * Japanese: Galleys have +50% line of sight.
 * Koreans: Mangonels & Onagers.
 * Magyars: Archers have +2 line of sight.
 * Malians: University researches 80% faster.
 * Mayans: Walls are 50% cheaper (Stone Walls -2 stone per segment, Palisade Walls -1 wood).
 * Mongols: Light Cavalry have +2 line of sight.
 * Persians: Knights have +2 attack bonus vs Archers.
 * Portuguese: Free Cartography from the Dark Age.
 * Saracens: Foot Archers have +1 attack bonus vs buildings.
 * Slavs: Military buildings provide +5 population.
 * Spanish: Trade Carts and Trade Cogs return 33% more gold.
 * Teutons: All units have +50% resistance against conversion.
 * Turks: Gunpowder units are created 20% faster.
 * Vikings: Docks are cheaper.