Which role did physicist J. Robert Oppenheimer play in the Pacific theater?

A.
He oversaw the development of the atomic bomb.

B.
He proposed the strategy of island hopping.

C.
He designed the first aircraft carriers.

D.
He led the successful invasion of Iwo Jima.

answer please.

A. He oversaw the development of the atomic bomb.

A. He oversaw the development of the atomic bomb.

The answer is A. He oversaw the development of the atomic bomb.

To arrive at this answer, we can eliminate options B, C, and D as they are incorrect. Now, to determine the correct answer between A and the remaining options, we need to understand J. Robert Oppenheimer's role during World War II.

J. Robert Oppenheimer was a renowned physicist who played a significant role in the development of the atomic bomb during the Manhattan Project. The Pacific theater refers to the conflict between the Allied forces and Japan in the Pacific Ocean during World War II.

Oppenheimer was appointed as the scientific director of the Manhattan Project, a secret research and development effort to build the atomic bomb. Under his leadership, he oversaw the design and construction of the first atomic bombs, including the ones dropped on Hiroshima and Nagasaki in Japan.

Therefore, the correct answer is A. He oversaw the development of the atomic bomb.