When the line was finished, the bull and the heifer were sacrificed with due pomp.

It was a Roman colony come to settle at Sena, on the very site of the chief town of those Senonic Gauls who had been conquered and driven out.

Fifteen years afterwards another Roman colony was founded at Ariminum (Rimini), on the frontier of the Bolan Gauls.
Fifty years later still two others, on the two banks of the Po, Cremona and Placentia (Plaisance).

Rome had then, in the midst of her enemies, garrisons, magazines of arms and provisions, and means of supervision and communication.

Thence proceeded at one time troops, at another intrigues, to carry dismay or disunion amongst the Gauls.
Towards the close of the third century before our era, the triumph of Rome in Cisalpine Gaul seemed nigh to accomplishment, when news arrived that the Romans' most formidable enemy, Hannibal, meditating a passage from Africa into Italy by Spain and Gaul, was already at work, by his emissaries, to insure for his enterprise the concurrence of the Transalpine and Cisalpine Gauls.