User Guide

Silver
Tech Revealed By: Always Visible
Tech Required to Access: Mining
Improvement Required: Mine
Base Bonus: 0 Food, 0 Production, +1 Commerce
Improved Bonus: 0 Food, +1 Production, +4 Commerce
Additional Effects: +1 Happiness with Mine
Spices
Tech Revealed By: Always Visible
Tech Required to Access: Calendar
Improvement Required: Plantation
Base Bonus: 0 Food, 0 Production, +1 Commerce
Improved Bonus: +1 Food, 0 Production, +2 Commerce
Additional Effects: +1 Happiness with Plantation
Stone
Tech Revealed By: Always Visible
Tech Required to Access: Masonry
Improvement Required: Quarry
Base Bonus: 0 Food, +1 Production, 0 Commerce
Improved Bonus: 0 Food, +2 Production, 0 Commerce
Construction Speed Halved: Christian Cathedral, Jewish
Synagogue, Mount Rushmore, Oxford University,West Point,
Angkor Wat, Chichen Itza, Hanging Gardens, Kremlin, Notre
Dame, Pyramids, Spiral Minaret, Stonehenge
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Sugar
Tech Revealed By: Always Visible
Tech Required to Access: Calendar
Improvement Required: Plantation
Base Bonus: +1 Food, 0 Production, 0 Commerce
Improved Bonus: +1 Food, 0 Production, +1 Commerce
Additional Effects: +1 Happiness with Plantation
Uranium
Tech Revealed By: Physics
Tech Required to Access: Mining
Improvement Required: Mine
Base Bonus: 0 Food, 0 Production, 0 Commerce
Improved Bonus: 0 Food, 0 Production, +3 Commerce
Units Requiring this Bonus: Battleship (or oil), Carrier
(or oil), Destroyer (or oil), ICBM, Submarine (or oil),
Transport (or oil), nukes
Construction Speed Halved: Manhattan Project
Whale
Tech Revealed By: Always Visible
Tech Required to Access: Optics
Improvement Required: Net
Base Bonus: +1 Food, 0 Production, 0 Commerce
Improved Bonus: 0 Food, +1 Production, +2 Commerce
Additional Effects: +1 Happiness with Whaling Boats
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