Imperial Age (Age of Empires III)

The Imperial Age in Age of Empires III is an important era because it now determines who will win or lose the game and it is also the breaker of a long game. Thought the Imperial Age is very expensive it is very useful because of all of the technological improvements are desirable and massive which can also make the player's civilization almost unstoppable. To advance to the Imperial Age the player must have 4000 Food and 4000 Coin

Units and Buildings which become available in the Imperial Age

 * Capitol