Complex sentence: The post was also used as a Prisoner of War (POW) camp, with more than 1,000 Germans imprisoned there and approximately 5,000 Italians passing through en route to Hawaii for imprisonment.
Split into simpler sentences: The post was also used as a Prisoner of War (POW) camp, with more than 1,000 Germans imprisoned there. Approximately 5,000 Italians were passed through en route to Hawaii for imprisonment.