Which was not a short-term effect of the U.S. decision to drop atomic bombs over Japan? A. the acceptance of the Three Non-Nucle
ar Principles B. radiation sickness due the effects of the bomb C. Japanese citizens experiencing flash burns to the skin D. black rain coming from the sky .
Radiation sickness due to the effects of the bomb, Japanese citizens experiencing flash burns to the skin, and black rain coming from the sky are all short-term effects of the U.S.'s decision to drop atomic bombs over Japan. A long term effect is the acceptance of the Three Non-Nuclear Principles.