no
The US did not apply atomic weapons during the conflict but did use atomic bombs upon the Japanese cities of Hiroshima and Nagasaki during the second World War .
No, they used two on Japan but none on Korea.
Japan has never had atomic weapons. There were two atomic weapons used against Japan by the US in August 1945. Please do some reading.
Roosevelt seen that the US would loose way to many US troops against Japan, therefore used atomic weapons.
The US has used atomic weapons in war twice, August 1945, Hiroshima Japan and Nagasaki Japan.
atomic bombs, and high tech grenades.
WW2 resulted in ATOMIC ENERGY (Atomic power) & the ATOMIC AGE. Nuclear Energy/Weapons (Atomic Energy/Weapons) resulted in the Cold War. The result of COLD WAR was limited wars, such as Korea and Vietnam. Note-The Atomic Age is also known as the "Jet Age" and "Space Age."
A demonstration to impress the Soviet Union
Expansion of the war could have meant the use of atomic weapons.
Neither the US nor Russia are making nuclear weapons of any kind at this time. Other countries however are making nuclear weapons; some are North Korea, India, and Pakistan.
North Korea had no atomic bombs at the time of the Korean War. What Truman was concerned about was the Soviet atomic bombs and the high probability that Stalin would respond to our use of atomic bombs in that conflict by declaring full scale nuclear war on the US.
a demonstration of power designed to impress the soviet union