Complex sentence: The steamship companies cut their rates (steerage to New York cost £3 15s 6d), the Australian and New Zealand governments offered free passage, and 1,000 people had emigrated by August 1864,200 of them from Glossop.
Split into simpler sentences: The steamship companies cut their rates: steerage to New York cost £3 15s 6d. The Australian and New Zealand governments offered free passage, and 1,000 people had emigrated by August 1864,200 of them from Glossop.