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.
No, USA did.
US
As of now, Russia possesses the largest nuclear bomb in the world known as the Tsar Bomba. It was tested in 1961 and had a yield of 50 megatons, making it the most powerful nuclear bomb ever detonated.
It was a nuclear bomb. Everyone was afraid of a nuclear bomb. The nuclear power plant malfunctioned. The Cold War was about fear of nuclear attack.
perhaps biological
$1 million USD in Russia
Russia developed its own nuclear program, and was aided by espionage.
A nuclear power plant uses a slow, controlled nuclear chain reaction to heat water and generate electricity. A nuclear bomb uses a very rapid uncontrolled nuclear chain reaction in order to generate a massive explosion.
The Tsar Bomba; that was made by the Soviet Union (Russia)
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.
Russia .