Converse of object

• drop: Only three days later, the United States dropped a second atomic bomb on Nagasaki.

• build: The second is Iran's efforts to assemble the capability to build an atomic bomb.

• develop: It was the invasion of Poland that made Joseph Rotblat suggest to James Chadwick that they should start work on developing an atomic bomb.

• produce: Further advances in warfare were to see Carbide collaborate in the Manhattan project to produce the first atomic bomb 25 years later.

• make: The answer to the question has much to do with the question of why the Germans never tried to make an atomic bomb.

• obtain: One fact is certain: the Americans obtained the atomic bomb while the Nazis failed.

Adjective modifier

• first: The play is set in June 1945, a month before the testing of the first atomic bomb.

• second: Only three days later, the United States dropped a second atomic bomb on Nagasaki.