What was a major concern of scientists who left nazi germany for the united states before world war ii? they did not think germany was paying attention to their work. they did not think germany wanted to develop nuclear weapons. they feared germany was trying to develop nuclear weapons. they feared germany would pass the us in industrial production.

They feared Germany was trying to develop nuclear weapons.

Explanation:

Operation Overcast, also called clipboard operation, refers to the code name of the operation performed by the United States Intelligence and Military Service to extract from Germany Nazi scientists specialized in the so-called Wonderful Weapons of the Third Reich, such as rockets, weapons chemical and medical experimentation after the collapse of the Nazi regime during World War II. The program was carried out by the Intelligence Objectives Agency (Joint Intelligence Objectives Agency), an institution dependent on the US Department of State created for this purpose, which was dissolved in 1962.

the confederate at bull run

lol, i think so.

explanation: