How did Pompey build political support in Spain and southern Gaul?

Pompey the Great built political support in Spain and southern Gaul primarily through a policy of reconciliation and rehabilitation following his military campaign against the Marian leader Quintus Sertorius.1

While the reconquest of Spain was a difficult task that strained both his own and the state's resources, Pompey ultimately imposed a settlement that promoted his own political aims. Unlike his colleague Metellus Pius, who took a different approach, Pompey established a system of personal authority and patronage that extended across Spain, southern Gaul, and northern Italy. By positioning himself as a patron in these regions, he secured a power base that allowed him to exert influence back in Rome, eventually using his prestige and the loyalty of his troops to secure a triumph and election to the consulship for 70 BCE.1