What was a major concern of scientists who left Nazi Germany for the United States before World War II?
A.They did not think Germany was paying attention to their work.
B.They did not think Germany wanted to develop nuclear weapons.
C.They feared Germany was trying to develop nuclear weapons.
D.They feared Germany would pass the US in industrial production.
A.They did not think Germany was paying attention to their work.
B.They did not think Germany wanted to develop nuclear weapons.
C.They feared Germany was trying to develop nuclear weapons.
D.They feared Germany would pass the US in industrial production.