RailRoad (Civ1)

Railroad allows the building of Darwin's Voyage and railroads, which increase troop movement between cities substantially and increases that square's production.
It is a prerequisite of industrialization.
== Civilopedia entry ==
The Railroad resulted from the successful marriage of a promising new technology, the Steam Engine, and a growing need: fast, safe, and inexpensive transportation. Railroads applied the unprecedented power of the locomotive to the pulling of trains of loaded wagons over rails. This resulted in a dramatic increase in the amount of cargo that a few men could move quickly and over great distances. Railroads were a critical contributor to Industrialization. They not only made it easier to obtain raw materials and reach markets, but the search for better equipment spurred innovation that benefited many other industries.
==Trivia==
Curiously, in Sid Meier's Civilization, railroad is written with the second R capitalized.
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