Rulesets/3.0/classic-08

=Freeciv 3.0.4 tech help (Classic ruleset)=
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===Advanced Flight===
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===Alphabet===
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===Amphibious Warfare===
* Allows Port Facility (with Oceanic terrain).
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===Astronomy===
* Allows Copernicus' Observatory.
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===Atomic Theory===
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===Automobile===
* Allows Super Highways.
Increases the population's contribution to pollution.
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===Banking===
* Allows Bank (with Marketplace).
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===Bridge Building===
Allows roads to be built on river tiles.
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===Bronze Working===
* Allows Colossus.
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===Ceremonial Burial===
* Allows Temple.
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===Chemistry===
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===Chivalry===
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===Code of Laws===
* Allows Courthouse.
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===Combined Arms===
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===Combustion===
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===Communism===
* Allows Communism.
* Allows Police Station.
* Allows United Nations.
Reduces the effect of Cathedrals.
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===Computers===
* Allows Research Lab (with University).
* Allows SETI Program.
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===Conscription===
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===Construction===
* Allows Aqueduct.
* Allows Colosseum.
Allows Settlers, Workers and Engineers to build fortresses, and to build oil wells on Desert tiles.
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===Currency===
* Allows Marketplace.
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===Democracy===
* Allows Democracy.
* Allows Statue of Liberty.
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===Economics===
* Allows Stock Exchange (with Bank).
* Allows A.Smith's Trading Co..
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===Electricity===
Improves the effect of Colosseums.
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===Electronics===
* Allows Hydro Plant (with Factory and River).
* Allows Hoover Dam (with River).
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===Engineering===
* Allows King Richard's Crusade.
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===Environmentalism===
* Allows Solar Plant (with Factory).
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===Espionage===
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===Explosives===
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===Feudalism===
* Allows Sun Tzu's War Academy.
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===Flight===
Decreases one-time revenue from new trade routes.
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===Fusion Power===
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===Genetic Engineering===
* Allows Cure For Cancer.
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===Guerilla Warfare===
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===Gunpowder===
* Allows Barracks II.
* Allows Coastal Defense (with Oceanic terrain).
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===Horseback Riding===
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===Industrialization===
* Allows Factory.
* Allows Women's Suffrage.
Population will start contributing to pollution.
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===Invention===
* Allows Leonardo's Workshop.
Increases units' vision when in fortresses.
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===Iron Working===
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===Labor Union===
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===Laser===
* Allows SDI Defense.
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===Leadership===
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===Literacy===
* Allows Great Library.
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===Machine Tools===
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===Magnetism===
Allows establishing one more trade route from each city.
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===Map Making===
* Allows Lighthouse (with Oceanic terrain).
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===Masonry===
* Allows City Walls.
* Allows Palace.
* Allows Great Wall.
* Allows Pyramids.
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===Mass Production===
* Allows Mass Transit.
Increases the population's contribution to pollution.
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===Mathematics===
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===Medicine===
* Allows Shakespeare's Theater.
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===Metallurgy===
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===Miniaturization===
* Allows Offshore Platform (with Oceanic terrain).
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===Mobile Warfare===
* Allows Barracks III.
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===Monarchy===
* Allows Monarchy.
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===Monotheism===
* Allows Cathedral (with Temple).
* Allows Michelangelo's Chapel.
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===Mysticism===
* Allows Oracle.
Improves the effect of Temples.
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===Navigation===
* Allows Magellan's Expedition (with Oceanic terrain).
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===Nuclear Fission===
* Allows Manhattan Project.
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===Nuclear Power===
* Allows Nuclear Plant (with Factory).
Gives sea units one extra move.
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===Philosophy===
* The first player to learn Philosophy gets an immediate advance.
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===Physics===
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===Plastics===
* Allows Space Component (with Factory).
Increases the population's contribution to pollution.
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===Polytheism===
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===Pottery===
* Allows Granary.
* Allows Hanging Gardens.
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===Radio===
* Allows Airport.
Allows Workers and Engineers to build airbases and buoys.
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===Railroad===
* Allows Darwin's Voyage.
Allows Settlers, Workers and Engineers to upgrade roads to railroads.
Decreases one-time revenue from new trade routes.
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===Recycling===
* Allows Recycling Center.
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===Refining===
* Allows Power Plant (with Factory).
Allows Settlers, Workers and Engineers to build oil wells on Glacier tiles.
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===Refrigeration===
* Allows Supermarket.
Allows Settlers, Workers and Engineers to upgrade irrigation systems to farmland.
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===Robotics===
* Allows Mfg. Plant (with Factory).
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===Rocketry===
* Allows SAM Battery.
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===Sanitation===
* Allows Sewer System (with Aqueduct).
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===Seafaring===
* Allows Harbor (with Oceanic terrain).
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===Space Flight===
* Allows Space Structural (with Factory).
* Allows Apollo Program.
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===Stealth===
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===Steam Engine===
* Allows Eiffel Tower.
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===Steel===
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===Superconductors===
* Allows Space Module (with Factory).
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===Tactics===
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===The Corporation===
Allows establishing one more trade route from each city.
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===The Republic===
* Allows Republic.
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===The Wheel===
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===Theology===
* Allows J.S. Bach's Cathedral.
Improves the effect of Cathedrals.
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===Theory of Gravity===
* Allows Isaac Newton's College.
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===Trade===
* Allows Marco Polo's Embassy.
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===University===
* Allows University (with Library).
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===Warrior Code===
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===Writing===
* Allows Library.