AdvanceChanged this version
Square-Rigged Caravels
By combining the Iberian Caravel and the Carrack, a new ship has been born: fast, strong, and exactly what we need help us dominate the seas.
Iberian CaravelsAdvanceallowCaravelAdvanceallowIberianCulture GrouppotentialAdvance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Discovery tree itself.