The End of the War in the Pacific Arena Was

The end of the war in the Pacific arena was controversial because of

A) the U.S. use of atomic bombs on Hiroshima and Nagasaki.
B) the refusal of the United States to consider any alternatives but complete and utter destruction.
C) international objection to the slaughter of civilian populations.
D) the unknown results of radioactivity.
E) the economic devastation that would occur to the rest of Japan.