games-pc sid s meiers-civilization iii 사용자 설명서

A n c i e n t

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Horseback Riding

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Literature

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Monarchy

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Republic

M i d d l e   A g e s

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Chivalry

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Democracy

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Economics

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Free Artistry

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Military Tradition

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Music Theory

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Navigation

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Printing Press

I n d u s t r i a l

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Advanced Flight

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Amphibious Warfare

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Communism

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Espionage

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Nationalism

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Sanitation

These advances are not required, but can certainly be useful. Optional advances fre-
quently make construction of Great Wonders possible.