Complex sentence: However, the Carthaginian nobility, upset by his policy of democratisation and his struggle against corruption, persuaded the Romans to force him into exile in Asia Minor, where he again led armies against the Romans and their allies on the battlefield.
Split into simpler sentences: However, the Carthaginian nobility was upset by his policy of democratisation and struggle against corruption. They persuaded the Romans to force him into exile in Asia Minor, where he again led armies against the Romans and their allies on the battlefield.