They didnt - the US used it on them twice
The use of the Atomic Bomb on Japan was to get Japan to surrender after Germany signed a treaty to end WWII.
atomic bomb
The US dropped the atomic bomb onto Japan on August 1945.
japan
to scare Japan
Yes.
The U.S.A Manhattan Project created the Atomic Bomb for use against Japan. When it was used in WW2 Japan surrendered.
President Truman.
They dropped the first bombs on The Japan mainland near the end of world war 2.
After Pearl Harbor, America was devastated. In an attempt to end the war, they used the atomic bomb against Japan. It worked.
1945 during World War II on the two Japanese cities of Hiroshima and Nagasaki.
The United States dropped two Atomic Bombs to end WW2. One was dropped on Nagasaki, Japan and the other on Hiroshima, Japan.