The Barbary states was the name of the four North African states: Tangier, Algiers, Tripoli and Tunis, from 16th through 19th century. The name comes from the Berber people, who were living in that area.
Answer: The missing state is Tunis .
While, B. Constantine, reigned as emperor from 306 A.D to 337 A.D., Christianity began to transition into the dominant religion of the Roman Empire.
The United States had 4,355,000 military personnel involved in World War I. ... The U.S. Navy played a major role in helping to blockade Germany, keeping out supplies and hurting Germany economically. The U.S. forces that were sent to Europe during World War I were called the American Expeditionary Forces (AEF).