Sone of the disadvantage of expanding oil and gas development are as follows:
1: It creates global warming .
2: biological affection .
3: reduction of water or other valuable resources
4:
Answer: It was at it’s rise in the Tang Dynasty (618-907) and it fell in the late 9th century and completely fell apart in A.D 907 when it’s emperor was deposed (removed from office forcefully and suddenly) and the entire country because divided. Hope this helped!