What is the human rights issue in the book hiroshima by john hersey?

The book Hiroshima by John Hersey had expressed the violation of the human rights of many people because of the nuclear bombing of Hiroshima and Nagasaki. Many had died due to nuclear radiation caused by the attack. Many innocent lives were taken because of what the US had done in the past. 

The articles created a national government composed of a congress, which had the power to declare war, sign treaties, make alliances and more.