Answer:
B.
Step-by-step explanation:
During the end of World War II, the United States dropped two atomic bombs. One in Hiroshima and another in Nagasaki. On 6th August 1945, bomber Enola Gay dropped atomic bomb on Hiroshima. The first bomb was named 'Little Boy'.
On 9th August 1945, bomber Bockscar dropped another atomic bomb on Nagasaki. The second bomb was meant to be dropped Kokura but due to thick clouds, the bomb was dropped on the secondary target, Nagasaki.
The casualities cause during these atomic bombs in Japan was 200,000. Estimated casualities in Hiroshima was 140,000 and Nagasaki 74,000 which brings an estimated number of 214,000.
Therefore, option B is correct.