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Defence of the Realm
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desertion
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dogfight
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duckboard
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Dreadnought
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Dual Monarchy
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empire
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gunboat diplomacy
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British wartime legislation, 1914
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Abandoning military duties in wartime
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Aerial gunfight between planes or pilots
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Platform on the bottom of a trench
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Large class of British battleships
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Common name for Austro-Hungarian Empire
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Group of colonies controlled by a single nation
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Intimidation or pressure on a smaller nation