What were the major political, economic, and cultural developments in tang and song china?

The dynasties created gunpowder, porcelain, and paper currency which would benefit the economy. Politically, people were able to move around the empires, many cities gained a higher population, thus leading to a social advancement.

From the sixth through twelfth centuries, during the Tang and Song dynasties, China may have been the world's most prosperous and cosmopolitan culture. It had intensive trade, innovative technology, inspiring poetry and art, robust religious institutions, large vibrant cities, and intense intellectual creativity.

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