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Relics-Knowledge +20; Reduces library research times
Wine-Food +10, Knowledge +10; Cost of unit upgrades reduced
Papyrus-Knowledge +10, Timber +10; Cost of Science and Military research reduced
Dye-Wealth +10, Knowledge +10; Cost of Civic research reduced
Silk-Wealth +10, Knowledge +10; Commerce research reduced
Spice-Food +10, Knowledge +10; Caravan income increased
Salt-Timber +10, Metal +10; Cost of Barracks troops reduced
Horses-Food +10, Metal +10; Cost of Stable units reduced
Rubber-Oil +20, Timber +20; Cost of Auto Plant units reduced
Sulphur-Wealth +15, Metal +15; Cost of Siege / Artillery units reduced
Amber-Wealth +10, Timber +10; Market sells higher and buys lower
Silver-Wealth +10, Metal +10; Age advancement cost reduced
Peacocks-Metal +10; Population limit bonus
Marble-Timber +10, Metal +10; Cost to build Wonders reduced
Fur-Food +10, Metal +10; Military research reduced
Cotton-Timber +20; Barracks, Stable, and Dock production times reduced
Bison-Food +20; Granary research costs reduced
Copper-Metal +20; Factory and Dock units receive bonus hit points.
Seals-Food +20; Reduces cost of Citizens by 50%
Citrus-Food +10, Timber +10; Ships at sea heal automatically
Sugar-Food +10, Timber +10; Reduces all food costs
Diamonds-Wealth +20; Raises commerce limit
Gems-Wealth +10, Knowledge +10; increases National Borders
Aluminum-Metal +20, Oil +20; Aircraft costs reduced / speed increased
Whales-Food +10, Metal +10; Increases sailing ship speed
Tobacco-Wealth +10, Knowledge +10; Buildings constructed faster
Wool-Timber +10, Knowledge +10; Citizens produced faster and cheaper
Coal-Metal +15, Knowledge +15; Reduces all Timber costs
Uranium-Knowledge +20, Oil +20; Nuclear missiles faster and cheaper
Titanium-Food +20, Oil +20; Attrition in enemy territory reduced |
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