Was the bombing of Hiroshima and Nagasaki a military necessity or an atrocity?

Many historians have argued that the atomic bombing of Japan at the end of World War II was not necessary and unjustified. There have been several key reasons developed to support this position, such as It was inhumane. It caused too much destruction.

just finished this it is b. centrifugal force

the communist manifesto is an 1848 political pamphlet by the german near the end of the manifesto, the authors call for a "forcible overthrow of all existing social conditions",  ..