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a United States naval officer and historian.
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a lawyer and jurist from the Hawaiian Islands.
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was a senior United States Army officer.
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was one of the most decorated United States Army soldiers of World War I.
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a period of armed conflict between Spain and the United States.
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the policy of territorial or economic expansion and a policy of extending a country's power and influence through diplomacy or military force.
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an artificial 82 km waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean and divides North and South America. The canal cuts across the Isthmus of Panama and is a conduit for maritime trade.
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the assassination of Archduke Franz Ferdinand of Austria-Hungary.
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Germany's resumption of submarine attacks on passenger and merchant ships in 1917