The first one was detonated on July 16, 1945.
Since 1945.
The UK has been nuclear for a very long time. It has lots of nuclear energy stations and lots of nuclear weapons.
The long term result of the use of the Atomic bomb by the US in WW2, has been building new and larger nuclear weapons/bombs. Despite the advances in nuclear activity, it can clearly be seen that the "fear" of using the mass destruction of nuclear weapons has been that no more nuclear or atomic bombs have ever been used again.
Anywhere, as long as you have the money.
Without nuclear weapons, another nation with nuclear weapons could launch an attack without worry of a retaliation. There are not that many ways of diverting a long-range ballistic missile.
So long as nuclear weapons and the motive and means to use them exist, yes
I believe it would very likely become a hot war long ago, probably a conventional WW3. Nuclear weapons scared people a lot, but probably prevented another global war.
While nuclear weapons have the potential to cause massive destruction, it is unlikely that they could destroy the entire world. However, a large-scale nuclear war could have catastrophic consequences for civilization, causing widespread devastation, loss of life, and long-term environmental impacts. Efforts to prevent the use of nuclear weapons are crucial for global security and peace.
Nuclear weapons have the potential to cause massive devastation, including widespread destruction and loss of life. However, it is unlikely that they could completely destroy the world or the planet itself. The use of nuclear weapons would have catastrophic consequences with long-lasting impacts on the environment and civilization.
Nuclear weapons are harmful due to their destructive power, capable of causing mass casualties and widespread devastation. They also pose risks of long-term environmental damage, nuclear fallout, and radiation sickness. Additionally, the threat of nuclear warfare escalates global tensions and increases the risk of proliferation.
Strategic Arms Reduction Treaty (START)
Germany did have a nuclear weapons project in WW2, but they had problems that prevented much progress. The program was scaled back by 1943 to just a long term nuclear reactor project intended to make power reactors after Germany won the war.