the battle of pharsalus ended the wars of the first triumvirate. the roman civil war, however, was not ended. pompey's two sons and the pompeian faction led now by labienus, survived and fought their cause in the name of pompey the great. caesar spent the next few years 'mopping up' remnants of the senatorial faction. after finally completing this task, he was assassinated in a conspiracy arranged by brutus and cassius.