The correct answer is C) U.S. scientists created a new bomb that was used against Japan.
The new technology of splitting the atom end World War II when U.S. scientists created a new bomb that was used against Japan.
American scientists fabricated the most destructive weapon known to man in the years of World War II: the atomic bomb. US President Harry S. Truman ordered to launch the atomic bomb on Hiroshima, on August 6, 1945; and over Nagasaki on August 9, 1945. After these incidents, Japan surrender and World War II was over.