I"m not really sure but i think the answer is C.
When Upton Sinclair said, “I aimed at the public's heart, and by accident I hit it in the stomach,” he likely meant that his novel The Jungle made people more outraged about the meat they were eating than the injustices facing the typical meat industry employee.
Answer:I think it was called like that because everyone thought that they will be free after world war 1
Explanation:They thougt they would be free but then the world war 2 started after some time
Because that way, every one can see what the person is doing, his records, and stuff like that.
also, so that the person would not be lying to the court, they would know for sure, what and where this all happened.
Hope that this would help you!!
=)