Version 1.5

List of researchable technologies.  Only prerequisites that 
may not already have been researched are shown.  Certain 
prerequisites are not included for their historical significance, 
but rather to keep the advances in roughly their historical order.


Amphibious Warfare - Allows the construction of Port Facilities
-Requires no unresearched prerequisites

Intercontinental Cables - With better communications, your naval 
forces can respond more effectively to crises.  Ships gain +1 to 
movement.
-Requires no unresearched prerequisites

The Corporation - Allows the construction of Power Plants, 
Capitalization, and Freight Units
-Requires no unresearched prerequisites

Refrigeration - Allows the construction of Supermarkets and 
the creation of farmland.
-Requires no unresearched prerequisites

Refining
-Requires The Corporation

Labor Union
-Requires The Corporation

Combustion - Allows the construction of Battleships.
-Requires Refining

Automobile - Allows the granting of Woman's Suffrage.
-Requires Combustion

Mass Production - Allows the construction of Manufacturing Plants.
-Requires Automobile and The Corporation

Fight - Allows the construction of weak but mobile scout planes.
-Requires Automobile and Combustion

Miniaturization - Allows the construction of Offshore Platforms.
-Requires Labor Union and Automobile

Atomic Theory
-Requires Miniaturization

Radio - Allows the creation of airbases.  (This is included more for
development value than historical veracity)
-Requires Flight and Atomic Theory

Future Tech - each advance increases your Civ score by five.
-Requires Radio