Civilization IV: Beyond the Sword

Civilization IV: Beyond the Sword is the second official expansion pack of the critically-acclaimed turn-based strategy video game Civilization IV. The expansion focuses on adding content to the in-game time periods following the invention of gunpowder, and includes more general content such as 11 new scenarios, 10 new civilizations, and 16 new leaders. Corporations become available with discovery of the Corporation technology. Each of the seven available Corporations requires a particular type of Great Person, a particular additional technology, and access to particular resources to build the Corporate Headquarters and found that Corporation; each of the seven Corporations can be founded only once per game. Each Corporation consumes specific resources, and supplies alternate resources or benefits in return. The more instances of resources they consume, the more food, production, commerce, or resources they supply. Corporations can be spread like religions (using the Executive unit... full article at wikipedia