Sich
BuildingsBuilding. I — Discovery Age.

An economy-and-army reference for Age of Empires III: Definitive Edition, with civilization and access limits shaping each choice.
Introduction history determines newest order. Undated objects follow dated additions; download dates do not make an object new.
Building produced at Military Rickshaw, Villager. II — Colonial Age.
Building produced at Hindu Villager. IV — Industrial Age.