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Yes they are. They are one of the World's most powerful weapon has ever made.
The first nuclear weapons were developed in the united States under the Manhattan Proyect which made the first nuclear bombs.
1945
Yes, nuclear weapons can be scrapped. The radioactive materials can be used in nuclear power plants.
India is already a nuclear power, and they have nuclear weapons on hand. They have already made the decision to "encourage" nuclear weapons, and presumably for increasing their own security.
US, Manhattan Project.
They have enabled countries to become scared of waging war on any other countries, Due to nuclear Weapons, No Full scale world wars have been launched from the end of the Cold War.
Any decision by the UK to go to war, or to launch nuclear weapons, would have to be made by Parliament.
Russia currently owns the biggest stockpile of nuclear weapons in the world. Also Russia made and detonated the biggest nuclear bomb in history called the Tsar bomb.
he made an astroblade and made nuclear weapons
the creation of the nuclear weapons because that made everyone fear us(u.s) hence the cold war and the race for the creation of more nuclear weapons and it affects us 2 this day because everyone is always fearing a nuclear holocaust