I'm interested in the history of communism and the Cold War in East and Southeast Asia. I found a lot of resources online concerning Vietnam, Korea or even Cambodia but not so much for China. Basically my question is what it says in the title but more specifically:

- What kind of support did the US offer to the KMT-led ROC (or the CPC if it also did?) qualitatively and quantitatively, in the context of the Civil War? Economic, diplomatic, military?

- How important was the future of China as Communist/Nationalist perceived in the US? Related: who was responsible for the decision-making regarding China/at what level of government was the policy determined? Also, was there significant public and/or internal debate over the policy to conduct?

My question is perhaps already quite broad but I would be very grateful if you reddit historians could distinguish between different time periods when answering. I think this question is most relevant for the post-1945 part of the war but if there are important elements before that I'm interested too.

Thanks in advance for your answers!