USA HISTORY

Detailed explanation-1: -Russia has the most confirmed nuclear weapons, with 5, 997 nuclear warheads. The United States follows behind with 5, 428 nuclear weapons, hosted in the US and 5 other nations: Turkey, Italy, Belgium, Germany and the Netherlands.

Detailed explanation-2: -Tsar Bomba, (Russian: “King of Bombs”), byname of RDS-220, also called Big Ivan, Soviet thermonuclear bomb that was detonated in a test over Novaya Zemlya island in the Arctic Ocean on October 30, 1961. The largest nuclear weapon ever set off, it produced the most powerful human-made explosion ever recorded.