Niven and Pournelle thought so as well when they wrote "Lucifer's Hammer" [1] in which "...China, anticipating the coming ice age launches a preemptive nuclear

Niven and Pournelle thought so as well when they wrote "Lucifer's Hammer" [1] in which "...China, anticipating the coming ice age launches a preemptive nuclear attack on Russia. The last Soviet Premier reassures the US that they are not the target, and he requests help against the unprovoked attack." [1] https://en.wikipedia.org/wiki/Lucifer%27s_Hammer https://en.wikipedia.org/wiki/Lucifer%27s_Hammer