Static ModifiersVStatic Modifier15 yearsVauban's Fortificationsfra_vauban_fortificationShow on the map →ModifiersFort Construction Efficiency+66%Artillery Bonus vs Fort+1Fortification Maintenance Efficiency+40%Where it is appliedSourceWhereDurationThe Engineering of Vaubanoption 115 yearsConnectionsGranted by 1The Engineering of Vauban15 yearsOption 1Definitionmain_menu/common/static_modifiers/country.txt:5656▾game_data = {category = country}global_fort_build_buildings_efficiency = 0.66artillery_bonus_vs_fort = 1fort_maintenance_efficiency = 0.4History