What is the best illustration of the long-term effects of America's use of the atomic bomb in Japan?

American use and detonation of atomic bombs above Hoxhim and Nagasaki in August 1945 caused terrible casualties. Long-term effects of life and exposure to radiation are an increase in cancer rates among survivors and defects in newborn babies. According to some subsequent studies, these long-term effects are exaggerated. Whether it is a subsequent attempt to reduce the number of cancer patients, or not, the consequences are equally terrible for mankind.

The United Nations drafted rules surrounding atomic weapon use" is the correct option. Many more atomic weapons were made after the bombing in Japan.