I dont think that is true. “The short version: leaflets specifically warning about atomic bombs were created… but they weren’t dropped on either Hiroshima or Nagasaki before they were atomic bombed. ... The second one was the second draft, and was dropped, but only after the bombs were used.”
How about Dresden and Tokyo. ? No leaflets there “The Tokyo Fire Department estimated a higher toll: 97,000 killed and 125,000 wounded. The Tokyo Metropolitan Police Department established a figure of 83,793 dead and 40,918 wounded and 286,358 buildings and homes destroyed.”. You have to do this first or they do it to you!! Thank GOD for Mad Dog !!!
http://www.ditext.com/japan/napalm.html
http://duckduckgo.com/?q=fire+bombing+of+japanese+cities
From the photos it sure looks heard of.
Meanwhile, there's a compelling argument that Japan Surrendered because it was on the verge of being invaded... by the Soviets.
https://duckduckgo.com/?q=Japan+would+have+surrendered+Soviets+Manchuria
DWIGHT EISENHOWER
"...in [July] 1945... Secretary of War Stimson, visiting my headquarters in Germany, informed me that our government was preparing to drop an atomic bomb on Japan. I was one of those who felt that there were a number of cogent reasons to question the wisdom of such an act. ...the Secretary, upon giving me the news of the successful bomb test in New Mexico, and of the plan for using it, asked for my reaction, apparently expecting a vigorous assent."During his recitation of the relevant facts, I had been conscious of a feeling of depression and so I voiced to him my grave misgivings, first on the basis of my belief that Japan was already defeated and that dropping the bomb was completely unnecessary, and secondly because I thought that our country should avoid shocking world opinion by the use of a weapon whose employment was, I thought, no longer mandatory as a measure to save American lives. It was my belief that Japan was, at that very moment, seeking some way to surrender with a minimum loss of 'face'. The Secretary was deeply perturbed by my attitude..."
- Dwight Eisenhower, Mandate For Change, pg. 380
Eisenhower's "Military-Industrial Complex" Speech
Origins and Significance