The bomb should have been dropped for a variety of reasons. For one, the war needed to be ended as quickly as possible. Not only would an invasion of Japan take much longer, it also had a potential death toll of over a million on both sides. Finally, utilizing our atomic bombs would demonstrate to all the other nations the United States' strength and solidify us as a world power
Its true that they never went to war without putting their helmets on
The Columbian Exchange greatly affected almost every society on earth, bringing destructive diseases that depopulated many cultures, and also circulating a wide variety of new crops and livestock that, in the long term, increased rather than diminished the world human population:)
A Juxtaposition of God and the Human Brain