USA was actually funding the Russians, they could have done it single handed.
after WW2? No. They began research on nukes the second they knew they actually existed. There was no other end-result possible than 2 super-powers with nukes stuck in a cold war with each other.
after WW2? No. They began research on nukes the second they knew they actually existed. There was no other end-result possible than 2 super-powers with nukes stuck in a cold war with each other.