RamscoopRaider
Donor
They don't need to kill everyone, the USSR is not willing to contemplate the 10's of millions of dead that a French or UK nuclear strike would entail, it won't kill the USSR but it will hurt itThe Soviets had the world's largest nuclear arsenal at the time. Russia inherited it from its superpower predecessor, and its arsenal is still the largest in the world. The Soviet Union had the capability to kill every single man, woman and child in Britain and France, and most of the entire world. Britain and France would not be insane enough to use nukes, because they would know that nuclear missiles would rain on every single one of their cities.
If the USSR is already in France or has already used nukes there is no reason not to use nukes, it is game over in that case already