Guo Ziyi's Family, Country and World

The modern young man Guo Gang traveled to the Tang Dynasty and became Guo Ziyi. He practiced martial arts when he was young and had high aspirations since childhood. I hope to become a general and serve the country with loyalty. He went through many hardships and finally shined during the Anshi Rebellion! During the reign of Emperor Daizong of the Tang Dynasty, he defeated the Uighurs and Tubo many times and suppressed rebellious vassal towns. During the Tang Dezong period, he was still loyal to the country! Use your life to explain what family, country and world are!