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Noun
1. control of the sea; command of the sea
Wikipedia definition
2. ThalassocracyThe term thalassocracy (from Greek language θάλασσα, meaning sea, and κρατεῖν, meaning "to rule", giving θαλασσοκρατία, "rule of the sea") refers to a state with primarily maritime realms—an empire at sea, such as Athens or the Phoenician network of merchant cities. Traditional thalassocracies seldom dominate interiors, even in their home territories.
Read “Thalassocracy” on English Wikipedia
Read “制海権” on Japanese Wikipedia
Read “Thalassocracy” on DBpedia

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