Your choice _____ A: Employment in the fishing and whaling industries. B: Nineteenth century sea captains. C: The economic importance of sailing ships D: The development of the steamship

Who would be listening to this talk A: First-time pilots B: Flight attendants in training C: Retired boat captains D: Newly hired travel agents

45 ___ A: They were protected by a strong United States Navy. B: They were supported by a well-developed railroad system. C: Most crew members had experience on foreign ships. D: As part(?) owners of the ships, captains got some of the profits.