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[ the first ship of the time] https://en.wikipedia.org/wiki/Schooner
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have more safe
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the sec one of the sail ship [https://en.wikipedia.org/wiki/Schooner]
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https://en.wikipedia.org/wiki/Schooner more must
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faster then the schooners (https://en.wikipedia.org/wiki/Paddle_steamer)
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faster and safe (https://en.wikipedia.org/wiki/Steamship)
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telegraph on ships (https://en.wikipedia.org/wiki/Engine_order_telegraph)
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titanic sank = more lifeboats(https://en.wikipedia.org/wiki/RMS_Titanic)
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not that mach lifeboats (https://en.wikipedia.org/wiki/Lifeboats_of_the_RMS_Titanic)
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radar on ships = more safe (https://en.wikipedia.org/wiki/Marine_radar)