What is the reason for the golden age of Tang poetry creation?

Political clarity, the emergence of Zhenguan rule, the prosperity of Kaiyuan, and so on. Developed economy, such as the Silk Road. Frequent foreign exchanges, such as Xuanzang Du Dong. These series have laid a foundation for the development of poetry, such as stable social stability, economic development and other material foundations. On the one hand, people pay attention to spiritual life, and Li Bai, a representative figure of romanticism, appears. However, due to the Anshi Rebellion and social unrest, Du Fu, a representative figure of realism, appeared. It may be said that social existence determines social consciousness. In the development of Tang society, many restrictive factors were solved, and some political and economic changes made great progress. More importantly, the situation of "elite separatist politics" has basically ended, and the people have greatly emancipated their minds in life practice. "Poetry creation" broadened their horizons, and the art of poetry became a "source of living water"; Due to the general improvement of economy, it provides material conditions and a wide source for the prosperity of literature; The accumulation of previous generation literature; It has been well inherited and laid a solid foundation for Tang poetry. Poets in the Tang Dynasty carried forward, eclectic, learned from others, and brought forth the new, which pushed China's poetry culture to a new peak. The imperial examination system was implemented in the Tang dynasty, and the contents of the examination included poetry (poetry is general) and fu (rhyme). The emperor also loved poetry, (this is very important! It will inevitably lead to paying attention to the "social atmosphere" of poetry and improving the social status of literati; It is very important: the politics of the Tang Dynasty was more free, especially in religion and culture, advocating Confucianism, Buddhism and Taoism. Allowing foreign religions to spread in China is a favorable factor for people to broaden their horizons, enliven their thinking, and promote the formation of various genres of literature and art, and implement the policy of economic and cultural exchanges with neighboring countries and frontier ethnic groups.