SCIFILIZATION
Civilopedia / Civilization Advances

Civilization Advance

Trade

TRADE sends goods further than the next valley.

Allows the CARAVAN, the SEA CARAVAN and the SURPLUS DEPOT.


Caravans establish TRADE ROUTES between distant cities, or may be spent to help build a WONDER — often the fastest way to win a race for one.

Data

Requires
Currency, Code of Laws
Allows
Medicine (with Philosophy)
Banking (with The Republic)
Caravan unit
Sea Caravan unit
Surplus Depot improvement