(A) to win re-election following the war.
(B) to instill fear in the Soviet Union, who also had a bomb.
(C) to retaliate against Japan for attacking Pearl Harbor.
(D) ** to prevent a ground invasion of Japan that could have cost a million American lives.
EXPLANATIONS BELOW
Concept note-1: -Truman did not seek to destroy Japanese culture or people; the goal was to destroy Japan’s ability to make war. So, on the morning of August 6, 1945, the American B-29 bomber, the Enola Gay, dropped the world’s first atom bomb over the city of Hiroshima.