 Complete the following phrase:  The Second Triumvirate was ultimately unstable and could not withstand internal jealousies and ambitions. Antony detested Octavian and spent most of his time in the East, while Lepidus favoured Antony but felt himself obscured by both his colleagues. Following the Sicilian revolt, led by Sextus Pompey, a dispute between Lepidus and Octavian regarding the allocation of lands broke out. Octavian accused Lepidus of usurping power in Sicily and of attempted rebellion and, in 36 BC, Lepidus was forced into exile in Circeii and stripped of all his offices except that of Pontifex Maximus. His former provinces were awarded to Octavian. Antony, meanwhile, married Caesars lover, Cleopatra, intending to use the fabulously wealthy Egypt as a base to dominate Rome. A third civil war subsequently broke out between Octavian on one hand and Antony and Cleopatra on the other. This final civil war culminated in the latters defeat at Actium in 31 BC; Octavians forces would then chase Antony and Cleopatra to Alexandria, where they would both 