The Battle of Antietam was right before the Emancipation Proclamation
hope this helps
Answer:
Trainer.
Explanation:
A trainer is someone who instructs others about something.
In the given case, Sarah Waverly is playing the role of a trainer. She is instructing the school social workers about the new child welfare legislation by conducting a series of workshops.
The role of a trainer is that he/she instructs other people and help them to develop the skill of efficiency.
So, the correct answer is a trainer.
