4 ms·To what time period and what situation are you referring?by andi999 6y agoTo what time period and what situation are you referring?ekianjo 6y agohttps://en.wikipedia.org/wiki/History_of_opium_in_China https://en.wikipedia.org/wiki/History_of_opium_in_Chinaandi999 6y agoThanks. China is considered part of East asia, and not SE Asia though.