revolts in enemy cites, and for negotiating peace with your
neighbors. The combined tax revenues of your cities must exceed
their maintenance requirements before cash can accumulate for
other uses. Although it is not necessary for each city to
produce surplus revenue, enough cities must do so to cover
expenses. Some cities may not be especially suited for industrial
production, but some may still be good trading centers. Manage
these cities to produce extra revenue.

TECHNOLOGY RESEARCH: The greater the contribution of research
each city makes toward new technology, the faster the new
civilization advance is reached. The amount of research is
devoted to bringing in new ideas and otherwise discovering
technology advances. A city's research contribution can also be
influenced by adjusting trade, creating Scientists, and certain
improvements. Improvements that can help are the Library and
University, which improve research, and several Wonders.

INDUSTRIAL PRODUCTION: Each city has more or less capacity to
produce new units and improvements. The most valuable cities
have the greatest industrial capacity. They can quickly produce
expensive military units that extend power of you civilization.
They are also best at producing the Wonders of the World. You
must regularly monitor the production of you cities to insure
that the most needed items are being built. There are four main
tools available to reach and maintain these goals of city
management: shifting workers around, converting some workers to
SPECIALISTS, building improvements, and building Wonders of the
World. Workers can be shifted around the city map display to
adjust economic developments. Specialists can be created to
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