That is a question that has been debated all over since 1945. In WW2 it had only one reasonable answer, they had to be used! Since then it has never been at all clear. Where is the boundary in warfare that would allow their use? Nobody knows.
No nuclear weapons were used in the korean war
The radioactive elements plutonium or uranium are the elements that are used in nuclear weapons that create nuclear fission. Isotopes of hydrogen are used in nuclear weapons that create nuclear fusion.
The threat that nuclear weapons would be used.
None. No nuclear weapons were used in Viet Nam.
The Bikini atoll was used for nuclear weapons testing.
Some of the countries have nuclear weapons because they use them as a defense mechanism. The nuclear weapons are intended to be used whenever there is a war.
the u.s. used non nuclear weapons and nuclear weapons against japan
No nuclear weapons have been used in Afghanistan to date.
The threat that nuclear weapons would be used.
It can produce low grade plutonium that need be extracted from the used nuclear fuel through used fuel reprocessing. However, power reactors are subject to the international nuclear safeguards to prevent its misuse.
Only in nuclear weapons
Thorium was not used in nuclear weapons.