Ideagroup 6
*Galley Focus*
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Like The Harbour of Carthage
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Galley-Shipyards
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Improved Rams
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Naval Glory
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Improved Naval Fighting Instruction
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Double Hulls
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Naval Artillery
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bonus
*Heavy Ship Focus*
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Heavy Ship-Shipyards
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Oak Forests for Ships
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Mass Production
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Naval Glory
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Double Hulls
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Winter Harbours
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Naval Cadets
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bonus
*Light Ship Focus*
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Light Ship-Shipyards
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Oak Forests for Ships
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Trade Tradition
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Naval Cadets
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Huge Trade Fleet
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Merchant Intelligence
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Superior Seamanship
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bonus
Fleet Base Ideas
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We Need Bases
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Garrison Fleet
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Base Conquest
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Base Garrison
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Experienced Seamen
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Sea to Land Battle
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Oversea Shipyards
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bonus
Maritime Ideas
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Seafarer Nation
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Tradewar
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Grand Navy
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Naval Trade Boom
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Admiral Abundance
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Shipwright
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Boarding Battles
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bonus
Fortress Ideas
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Areas of Supplies
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Defensive Artillery
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Better Fort Administration
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Gather at Checkpoints
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Fortress Baracks
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Long Endurance
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Fortress Cannons
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bonus