The following map shows the Byzantine Empire in 565 A. D. (CE), 1020 A. D. (CE), and 1360 A. D. (CE). Use the map to answer the following question: Map of the Byzantine Empire showing the empire's extent in 565 A. D., 1020 A. D., and 1360 A. D. By 565 A. D., the empire included most of the North African coastline, parts of southern Spain, all of Italy, southeast Europe, Asia Minor, and the western Middle East. The empire encircles nearly all of the Mediterranean Sea and part of the Red Sea and Black Sea. By 1020 A. D., the size of the empire was limited to only southeast Europe, southern Italy, and Asia Minor. By 1360 A. D., the size of the empire was reduced to only parts of southeast Europe, primarily to the west of Constantinople.
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At its height, the Byzantine Empire controlled which of the following waterways? (5 points)

The Atlantic Ocean
The Mediterranean Sea
The Dnieper River