Answer:
Depending on your point of view, the second bomb on japan might have played a major role in ending the war, by showing the prowess the US had in the war, though also killing many, many civilians.
Explanation:
The moral debate on wether or not the US should have dropped the bombs on Japan is an on going debate, and is very dependent on ones worldview. In a perfect world, no, we would not have dropped the bombs, but the decision was made, and the dropping of the bombs ended the war.
