Answer:
The slaves labored in the fields from sunup to sundown.
Step-by-step explanation:
This is the excerpt that best supports the historical fact that enslaved people were forced to work under brutal conditions. In this line, we learn that slaves worked all day with no rest. Their work days were extremely long, from sunup to sundown. This shows that the slaves lived under brutal conditions and that the owners cared little about their welfare and health.