The Republic of South Africa
North Korea
The United States of America was the country that developed the first nuclear weapons.
canada
Red Snow was developed by the United Kingdom.
The US successfully defended the country and avoided a nuclear war.
The Russian atomic bomb was developed under the direction of Soviet physicist Igor Kurchatov. The Soviet atomic bomb project was carried out in top secret and successfully detonated its first nuclear device in 1949, making the Soviet Union the second country to possess nuclear weapons.
Russia developed its own atomic bomb by conducting extensive research and espionage on the American nuclear program. They successfully tested their first atomic bomb on August 29, 1949, becoming the second country to possess nuclear weapons after the United States.
It has not been successfully developed yet on Earth, but it is the source of the sun's energy, so we all use it every day!
Nuclear weapons are typically created and declared by countries that have developed the capability to produce them. Declarations of possessing nuclear weapons are often made by official government leaders or through public statements from a country's nuclear program authorities.
The first nuclear weapons were developed in the united States under the Manhattan Proyect which made the first nuclear bombs.
All available energy sources are open to a country like India. They have nuclear capabilities so even nuclear power would be a developable option.
In recent months both Iran and North Korea have been identified as potential nuclear threats. North Korea has successfully tested several nuclear devices. Iran is still developing the technology.