How did the espionage act of 1917 reflect social conditions in the united states?

select one:
a. people believed european spies lived and worked in the united states, so training and sending spies elsewhere was an act of defense.
b. migration was high from europe, and many people were concerned that those sympathetic to germany or its cause could be spies.
c. the cities were crowded and entry unregulated, so fear of criminals and other dangerous individuals was at an all-time high.