C469 Strengthening national defence

For the time being, Chen Ling started off with Xingtai School by gradually repairing the altars, correcting the numbers, setting the calligraphy, composing poems and music, building the Buddhist scriptures, slowly making the dukes of the Central Plains respect the Yan culture, allowing the people's hearts to move, then using the slogan of saving the lives of the masses to eliminate the dukes by