Answer: True (hope this helps ^^)
He shouldn't have allowed him to attack them. Attacking China would only further escalate the problem and there would even be a chance for World War 3 to begin. China would probably be attacked with nukes in such a war and would get international support because of this from people such as the Soviet Union or from others who were also big at the time.
A blistering agent that caused sevre burn and blisters on the skin
NATO was against communism. Warsaw pact was for communism.