Answer:
The event that enabled the Romans to control parts of northen Africa was the conquest of Carthage (now Tunisia).
Step-by-step explanation:
The Roman Empire established their domain in Africa at the end of the Third Punic War in 146 BC. The Roman military force in Africa was small. However, the colony became more popular and renown when 19 colonies were installed in the African continent by Julius Cesar and the emperor August. One of the most important colonies was the new city of Carthage, which was renamed to Colonia Julia Carthago.