Correct: The answer is d. After outlining the opinions of various scientists, the panel determined that direct military use was the best option.

Incorrect: The answer is d. After outlining the opinions of various scientists, the panel determined that direct military use was the best option.

Correct: The answer is b. The atomic bomb was originally developed to defend the United States in a nuclear attack from Germany. Because Germany had already been defeated, the scientists believed that the threat had already been diffused.

Incorrect: The answer is b. The atomic bomb was originally developed to defend the United States in a nuclear attack from Germany. Because Germany had already been defeated, the scientists believed that the threat had already been diffused.

Correct: The answer is b. Truman stated that Japan could have prevented the atomic bomb from being dropped if Hirohito had agreed to Truman’s terms of surrender.

Incorrect: The answer is b. Truman stated that Japan could have prevented the atomic bomb from being dropped if Hirohito had agreed to Truman’s terms of surrender.

Correct: The answer is d. Hirohito decided as early as three months before the atomic bombs dropped that the war should end even if it meant acceptance of defeat on allied terms.

Incorrect: The answer is d. Hirohito decided as early as three months before the atomic bombs dropped that the war should end even if it meant acceptance of defeat on allied terms.

Correct: The answer is c. The atomic bombing of Hiroshima immediately killed 80,000 civilians, and tens of thousands later died slowly of radiation poisoning. Three days later, the United States dropped another atomic bomb on Nagasaki, killing more than 100,000 civilians.

Incorrect: The answer is c. The atomic bombing of Hiroshima immediately killed 80,000 civilians, and tens of thousands later died slowly of radiation poisoning. Three days later, the United States dropped another atomic bomb on Nagasaki, killing more than 100,000 civilians.