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3
Fleet Tax Act
20% National tax modifier
-10% heavy_ship_cost
Requirements
full_idea_group - gross0
full_idea_group - economic_ideas
Floating Fortress Act
-20% heavy_ship_cost
Requirements
full_idea_group - maritime_ideas
full_idea_group - festung0
Heavy Ship Wharfs
-20% heavy_ship_cost
Requirements
full_idea_group - infrastructure_ideas
full_idea_group - gross0