Rise of the West is a video game version of the boardgame Empires of the Middle Ages for two to six players which simulates grand strategy and diplomacy in the Middle Ages.
Each player controls an empire composed of areas, each of which is rated for wealth, religion, language and population. The talents of each empire's current ruler are represented by numerical ratings for warfare, administration, and diplomacy. The object of the game is essentially to grow an empire in terms of wealth, geography and stability.
Source: Wikipedia, "Empires of the Middle Ages", available under the CC-BY-SA License.