Narrating the historical fact that during the Warring States period, Tian Dan of Qi used strategy to defeat Yan and recapture mountains and rivers. The state of Yan is located in the northeast. During the reign of King Kuai of Yan, the capital of the country was once captured by the state of Qi. At that time, the strong and angry people sought to strengthen themselves, and talented people were invited and appointed as generals, making Yan's military strength stronger. Later, Yan joined forces with other countries to attack Qi, and several
Narrating the historical fact that during the Warring States period, Tian Dan of Qi used strategy to defeat Yan and recapture mountains and rivers. The state of Yan is located in the northeast. During the reign of King Kuai of Yan, the capital of the country was once captured by the state of Qi. At that time, the strong and angry people sought to strengthen themselves, and talented people were invited and appointed as generals, making Yan's military strength stronger. Later, Yan joined forces with other countries to attack Qi, and several