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Answer:

Battle of the Monitor and Merrimack, also called Battle of Hampton Roads, (March 9, 1862), in the American Civil War, naval engagement at Hampton Roads, Virginia, a harbor at the mouth of the James River, notable as history’s first duel between ironclad warships and the beginning of a new era of naval warfare.

Explanation:

Answer: D, The battle between the Merrimack and the Monitor showed that

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