The Tang Dynasty in China was the most powerful in the world. What has it achieved?

1, the imperial examination system is perfect. It also created a martial arts system. 2. Xuanzang went west to strengthen communication with Tianzhu, and Buddhism also spread to China. 3. Relations with Turks, Tubo, Koryo, Confucius, Nanzhao, and Uighur are very friendly, and people all respect Tiankhan, the emperor of the Tang Dynasty. 4. Lu Yu compiled tea classics, and the wind of drinking tea reached prosperity in the Tang Dynasty. 5. Spreading China culture to Japan. Scientists and a group of monks successfully measured the length of the prime meridian for the first time. Literature flourished in the Tang Dynasty, and Tang poetry flourished. As a new literary form, Ci appeared in the Tang Dynasty at 65,438+00, and painting was highly developed. The figure paintings represented by Yan and Wu Daozi flourished with 1 1, and the three provinces and six departments system replaced the previous political system and became the main political system after the Tang Dynasty.