In the spring of 1778, the Continental Army installed a "great chain" across the Hudson River, at West Point, in order to prevent British ships to navigate into the vulnerable regions to the north.
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Ain order to prevent British ships to navigate into
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Bby preventing British ships from navigating into
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Cso that they prevented British ships to navigate to
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Dto prevent British ships from navigating to
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Eby means of preventing British ships from navigating to
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正确答案: D