Advance
Additional Merchants
Colonies are no good to us unless we can bring their riches home to the mother country. We must expand our merchant class to ensure that this happens.
Advance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Discovery tree itself.
Modifiers
Trade Capacity+25%
Definitionin_game/common/advances/4_choices_adm.txt:172
174icon = merchant_power_from_maritime_reformation_advance
175for = adm