Who was more responsible for the Khmer Rouge? The US or China? Who was more responsible for the Khmer Rouge? The US or China? - Yahoo!7 Answers I thought we could add to our forum's repertoire by going beyond India, China, Pakistan, the US etc. One knows little of the SE Asia. I find that there are Vietnamese posters as also our old and reputed Chinese members in a very healthy discussion on Vietnam China relations. One of the issues raised was about Cambodia, Khmer Rouge. We, in India, know so little about the area. Maybe our friends can help educate us and we could also join in to learn more.