Which of the following details is MOST important to the development of the main idea? (A) Germany produced V-1's and V-2's late in the war and in small quantities.
(B) Prime Minister Churchill and President Roosevelt agreed that the atomic
bomb should be built in the United States.
(C) The Japanese began war with the United States when they attacked Pearl
Harbor.
(D) U. S. leaders knew that Germany was working toward the development of an
atomic bomb