Several Governments limited civil and individuals rights such as freedom of press and speech. The US specifically created internment
camps for Japanese and Japanese descent citizens and subjected them to detention and seizure of property without due process. It is also against war morality principles to bomb civilians as it happened with the atomic bombing of Hiroshima and Nagasaki.
Regardless, the United States remains the only nation in the world to have used a nuclear weapon on another nation. Truman stated that his decision to drop the bomb was purely military. ... Truman believed that the bombs saved Japanese lives as well. Prolonging the war was not an option for the President.