Many but most directly effected Japanese
hiroshima
NO.
It did as positive.
It was in august 1945
Survivors of Hiroshima were called Hibakusha which means explosions affected persons.
See website: Atomic bombings of Hiroshima and Nagasaki
The modern atomic theory.
The economy dropped to zero.
100,000 - 1 million
hiroshima and nagasaki in japan
about 150,000,000 million acres
The Hiroshima and Nagasaki atomic bombings for a start.