How did Colonel Lloyd try to prevent slaves from entering the garden? A. Fencing the garden with thorns B. Surrounding the garden with water C. Tarring the fence around the garden D. Hiring additional guards

The correct answer is A. Colonel Lloyd tried to prevent slaves from entering the garden by fencing it with thorns. This was a common method used by slave owners to keep slaves away from certain areas or to prevent them from stealing crops or other resources. The thorny fence would deter slaves from entering the garden due to the painful injuries they would sustain from the thorns.