“ | Villagers gather from all resources slightly faster. The attack and hitpoints of all Units is slightly improved. | ” |
—In-game description |
Gadaa System is a technology in Age of Empires III: Definitive Edition - The African Royals that is unique to the Ethiopians and can be researched at the Mountain Monastery once the player advances into the Industrial Age or higher by choosing the Oromo as their ally. Once researched, it allows villagers to gather 5% faster and increases the hit points and attack of all units by 5%.