Complex sentence: Hasdrubal and Syphax fell back, with a few followers who had also escaped the massacre at the Carthaginian camps the arrival of four thousend mercenaries from Southern Spain made the Carthaginians determined to make one more effort to stop the armies of Scipio Africanus advancing across North Africa.
Split into simpler sentences: Hasdrubal and Syphax fell back, with a few followers who had also escaped the massacre at the Carthaginian camps. The arrival of four thousend mercenaries from Southern Spain made the Carthaginians determined to make one more effort to stop the armies of Scipio Africanus advancing across North Africa.