Answer:
It was founded a long time ago by Mon emmigrants.But it became a trading post in 1852 1862
Rebecca Felton is the answer
“Justinian dispatched a substantial armada to recover North Africa from the Vandals. Soon after landing, the commander, Belisarius, marched on Carthage, which he occupied after defeating the Vandal king Gelimer in a confused encounter outside the walls.” So the answer is d vandals