Write down improvements that affected farming and trade in the tang and song dynasties.

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Under the next two dynasties, the Tang and the Song, China experienced a prolonged golden age. It became the richest, most powerful, and most advanced country in the world. Wendi declared himself the first emperor of the Sui (sway) Dynasty. The dynasty lasted through only two emperors, from 581 to 618.
Chinese inventions from this period, such as printing, gunpowder, and the compass, changed history. 14. Toilet Paper Although developed around 600 CE, it was only available at first to nobility and the elites. During the Tang Dynasty it became widespread

Independent executive agencies are more specialised.