During WWII, an invasion of Japan prompted the United States to unleash the atomic bomb, resulting in the deaths of tens of thousands of Americans. As a result, option (a) or (i) is the correct response.
The atomic bombs of Hiroshima and Nagasaki were nuclear assaults against the Japanese Empire ordered by US President Harry S. Truman.
The strikes, which occurred on August 6 and 9, 1945, respectively, contributed to Japan's capitulation and the conclusion of World War II, along with the Soviet-Japanese War.
On Monday, August 6, 1945, the Little Boy nuclear weapon was dropped on Hiroshima, followed by the Fat Man bomb on Thursday, August 9 over Nagasaki, after six months of intensive bombing of 67 other cities.
Between 105,000 to 120,000 people were killed, with another 130,000 injured. These bombings are the only nuclear strikes ever carried out in history.
For more information about WWII, refer below
https://brainly.com/question/446483