Emperor Tang Gao Zu, also known as Li Yuan, was a successful leader. He was the first ruler from the Tang Dynasty (618-907). Emperor Tang was very effective with the choices he decided to make for the military and taxation systems that later on paved the way for the oncoming emperors. It will be argued that Tang Gao Zu was a successful leader because he was a the one who established the Tang Dynasty The next reason why Emperor Tang was a successful leader was because he re-established a powerful