Are these events have any connections? 1.Attack on Pearl Harbor 2.Japanese mistreatment of prisoners, increasing American hatred 3.American Racism against Japanese during the war 4.American Aerial Bombing of Japanese cities, including Tokyo 5.Leo Szilard, a scientist who tried to stop the dropping of the bomb 6.Mushroom cloud 7.The surrender of Japan and the occupation of the United States

Are these events have any connections? 1.Attack on Pearl Harbor 2.Japanese mistreatment of prisoners, increasing American hatred 3.American Racism against Japanese during the war 4.American Aerial Bombing of Japanese cities, including Tokyo 5.Leo Szilard, a scientist who tried to stop the dropping of the bomb 6.Mushroom cloud 7.The surrender of Japan and the occupation of the United States