Answer: D
Explanation: “Each day slaves were required to achieve a precise work objective, a labor system known as the task system. This allowed them to leave the fields early in the afternoon to tend their own gardens and raise their own livestock.”
Roger Bacon was one of the earliest European scholars to refine the scientific methods,he developed the idea of making observations,hypothesis as then experimenting to test the hypothesis.
Answser: ########################
Explanation:
Slavery was why the north and south were fighting, so it would be slavery