Answer:
The correct answer is option B. Work/employer
Explanation:
If a person received a prior job safety training, it mans that the employer of that person provided him the training.Every job has a specific job description which comes with its own safety hazards. Each company knows how to prevent accidents from happening and making sure each employee follows the company's specific safety protocol.
Therefore it is the employing company who provides the pre job safety training.
I would say the answer would be D)
because back then in the 20’s it was politically correct and acceptable to target particular ethnic groups from being able to migrate to your country.
All of the other immigration acts have occurred within the last 50 years or so when it would NOT be acceptable to enforce this kind of exclusion.
hope this helps!