Why did calligraphy become an art in Wei, Jin, Southern and Northern Dynasties?

During the Wei, Jin, Southern and Northern Dynasties, Chinese characters developed into a conscious art of calligraphy. Its conditions were as follows: papermaking was greatly improved in the Wei, Jin and Southern and Northern Dynasties, and the quality of paper was good, the price was cheap and the writing was convenient; The continuous development of culture. During the Wei, Jin, Southern and Northern Dynasties, the aesthetic function of calligraphy exceeded the practical function, and Chinese characters developed into a conscious art of calligraphy, becoming an ideal form for literati to express artistic conception, charm and character.

When Han Li was popular in the Han Dynasty, regular script was still in its infancy. It was very popular in Wei, Jin, Southern and Northern Dynasties. Wang Xizhi and Wang Xianzhi in Jin Dynasty were the real founders of regular script, and at the same time they absorbed the round strokes of seal script, kept the straightness of official script, removed the "dovetail" and basically fixed the structure of Chinese characters.

Extended data:

Wei, Jin, Southern and Northern Dynasties, mainly divided into Three Kingdoms (Cao Wei, Shu Han, Soochow), Western Jin, Eastern Jin and Southern and Northern Dynasties, was the most frequent period of regime change in China's history. Due to the long-term feudal regime and constant wars, the development of China culture in this period was particularly affected.

During the more than 360 years from the Three Kingdoms to the Sui Dynasty, and in the process of the rise and fall of more than 30 dynasties, the above-mentioned many new cultural factors influenced and infiltrated each other, complicating the development of Confucianism and the image and historical position of Confucius in this period.