sentences:  In 47 Pollio was probably tribune, and resisted the efforts of another tribune, Publius Cornelius Dolabella, to cancel all debts.The following year he returned to Africa, this time with Caesar himself, in pursuit of Cato and Metellus Scipio.When Caesar was assassinated in 44, Pollio was leading his forces in Hispania against Sextus Pompeius, and distinguishing himself early in the campaign.