The famous formulation that all Gaul was divided into three parts came from the self-serving pen of Caesar himself, whose conquest of Gaul served as the springboard for a quest for power that ended fatally on the Ides of March in 44 B.C.E., five years after he had famously crossed the Rubicon River en route to Rome from Gaul. Historian Jennifer Paxton tells the complex and fascinating story of how Rome gradually acquired commercial and military interests in southern Gaul that provided the pretext for Roman intervention in the complicated politics of the region.