Refer to the image. A manuscript page from a 14th-century book. People are burying victims of the Black Death.

A miniature from a 14th-century manuscript showing citizens burying victims of the Black Death

A historian might use the image to support the conclusion that

farm fields across Europe became fallow and desolate due to germs and contamination.
there was a steep drop in population in both Europe and Asia as the disease took its toll.
trade decreased across North Africa as merchants became afraid to sail to distant ports.
agricultural production decreased throughout Africa as the majority of farmers became ill.