What achievements did the Tang Dynasty make in imperial examinations, calligraphy and painting?

In the Tang Dynasty, the imperial examination system was further improved, and the examination subjects increased, among which Jinshi was the most important. By using the imperial examination system, the right to choose officials is centralized in the central government, thus strengthening centralization and effectively networking the officers and men.

Calligraphy art is highly prosperous. The regular script of famous calligraphers Yan Zhenqing and Liu Gongquan, and the cursive script of Zhang Xu and Huai Su are all integrated.

Painting has reached a new peak. Yan is famous for his character story painting, and Wu Daozi's figure painting and landscape painting have high attainments. Dunhuang Mogao Grottoes is the largest grotto art group in China and a treasure of world art, and a large number of statues and murals show superb artistic level.