Similar to 不安定の弧

Classical Athens

Duchy of Amalfi

United States

United Kingdom

British Empire

Commonwealth of Nations

Seven Seas

Omani Empire

Dutch colonial empire

Naval strategy

Blockade#Close, distant and loose blockades

Naval warfare

Maritime security

Oared vessel tactics

Kilwa Sultanate

Spice trade

Seabasing

Naval tactics in the Age of Steam

Command of the sea

Age of Discovery

Thalassocracy

Commerce raiding

Alfred von Tirpitz