User Guide

Ancient
• Horseback Riding
• Literature
• Monarchy
• Republic
Middle Ages
• Chivalry
• Democracy
• Economics
• Free Artistry
• Military Tradition
• Music Theory
• Navigation
• Printing Press
Industrial
• Advanced Flight
• Amphibious Warfare
• Communism
• Espionage
• Nationalism
• Sanitation
These advances are not required, but can certainly be useful. Optional advances fre-
quently make construction of Great Wonders possible.
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