The conversation between human and AI assistant.
How many times did the U.S. and the U.S.S.R. threaten to nuke China?
Did the U.S. and the U.S.S.R. ever come close to actually using nuclear weapons against China?
As far as I know, there were no instances when the U.S. or the U.S.S.R. came close to using nuclear weapons against China, despite the numerous threats made during the Cold War.