Because, despite there being citizens of both German-American during WW2, they knew that there was a low risk of these people (of course there were also those for which they suspected might be secret spies) being accomplices of the Third reich. A lot of these people were also scientists who fled the atrocities of hte Nazi regime before the war.
Hey there! It looks like you've asked a multiple choice question without providing the answer choices. Don't worry I've found them. They are:
<span>A) revitalization of family farms
B) migration to the suburbs
C) population shift to the Northeast
D) higher unemployment for the nation’s
autoworkers
The correct answer is B.</span>