Sid Meier's Civilization Iv: Warlords -

A new type of Great Person that emerges through combat experience rather than birth rate. They can be used to lead an army for a massive experience boost, build a Military Academy for faster unit production, or join a city as a Military Instructor.

Released in July 2006, is the first expansion pack for Civilization IV , primarily focused on enhancing the military and diplomatic aspects of the game. Key Gameplay Features Sid Meier's Civilization IV: Warlords

A new diplomatic mechanic where players can subjugate other civilizations or offer themselves as a vassal. Vassals provide tribute and support their masters in war but may secede if they regain enough power. A new type of Great Person that emerges

Three new leader traits— Charismatic (+1 happiness, faster promotions), Imperialistic (faster Great General generation, faster Settlers), and Protective (free promotions for archery/gunpowder units). Scenarios and Wonders Key Gameplay Features A new diplomatic mechanic where