thalassocracies

/ˌθæləˈsɑkrəsiz/
noun
  1. Plural of thalassocracy; states or empires that rule primarily through naval power and control of the seas.
    • The rise and fall of thalassocracies often depended on their fleet strength.
    • Historians study how thalassocracies managed trade and colonies across oceans.
    • Ancient thalassocracies like Athens and Carthage dominated the Mediterranean.
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