Advance
Fast Negotiations
Sometimes the key to closing a trade deal is to be the quickest one. We must ensure that our merchants can always successfully close their deals.
Advance tree
The game files don’t say where this goes: it has no requires, so the game places it in the 
Reformation tree itself.
Modifiers
Definitionin_game/common/advances/4_choices_dip.txt:255
257icon = merchant_power_from_maritime_reformation_advance
258for = dip