 
 <prompt> Wetin be di area wey dey form di heart of di Yangtze River Delta? Given di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: ```Zhejiang, as di heartland of di Jiangnan (Yangtze River Delta), remain di richest area during di Six Dynasties (220 or 222–589), Sui, and Tang. After dem join am into di Sui dynasty, dem economic richness dey use am for di Sui dynasty's ambitions to expand north and south, especially into Korea and Vietnam. Di plan make di Sui dynasty restore and expand di network wey later become di Grand Canal of China. Di Canal dey regularly transport grains and resources from Zhejiang, through its metropolitan center Hangzhou (and its hinterland along both di Zhe River and di shores of Hangzhou Bay), and from Suzhou, and from there go North China Plain. Di wahala of di Korean war lead to Sui's overthrow by di Tang, wey come preside over centuries-long golden age for di country. Zhejiang na important economic center of di empire's Jiangnan East Circuit and e dey very prosperous. Throughout di Tang dynasty, The Grand Canal still dey effective, transporting grains and material resources go North China plain and metropolitan centers of di empire. As di Tang Dynasty dey fall apart, Zhejiang make up most of di territory of di regional kingdom of Wuyue.``` 