Answer:
to symbolize evil among humanity
Explanation:
Describing a human being as being snake-like means the person is deceptive and should not be trusted because they can turn their back on you at any time.
Therefore, the most likely purpose of depicting the staff as being snake-like is to symbolize evil among humanity
Answer:
Independent
Explanation:The clause can stand in its own.
They used a railroad car.
The importance of each varies depending upon the purpose and the audience