What? After Nagasaki and Hiroshima, the soviets were like "alright we kind of had a hunch that making them was possible but now that the US has them, we definitely need to fucking make some" and voila russia got a nuke in like, what, 1949??
how on Earth could you have stopped the Soviets in 4 years without it leading to all-out nuclear war?

shit that's right, everyone's hopped up on anti-russian propaganda atm due to the recent whatever the fuck