Through mixed marriages and in a fruitful and continuous cultural exchange, the two peoples coexisted peacefully and the coastal villages became important urban centers, organized in a similar way to the ancient city-states of the Lebanese coasts.
[4] At the same time as the prosperity of these coastal centers in Sardinia, on the other side of the Mediterranean, on the African continent, in 814 BC according to the classical tradition, Carthage was born, and sixty years later, in the Italian peninsula, Rome.
The nascent Punic colonial power, projected towards the conquest of the merchant routes in the western Mediterranean, was interested not only in controlling the territory of the coastal urban centers, but also the fertile plains of the interior, and above all the exclusive exploitation of the rich metal mines.
Having landed on the island with an expeditionary force made up of the Punic elites, with the task of freeing the coastal cities from the impending danger of annihilation, Malchus found the organized resistance of the Nuragic Sardinians.
After the victorious Battle of Alalia against the Phocaea Greeks, the Punics under the command of the two brothers Hasdrubal and Hamilcar, sons of Mago,[11] in 535 BC led a new military campaign for the conquest of the island.
To defend against the indigenous people, a limes went from Padria to Macomer, Bonorva, Bolotana, Sedilo, Neoneli, Fordongianus, Samugheo, Asuni, Genoni, Isili, Orroli, Goni, Ballao to the mouth of the Flumendosa.