You searched for: “thalassocracies
thalassocracy, thalassocraty (s) (noun); thalassocracies; thalassocraties (pl)
1. Mastery or command of the sea: In the book, Chuck read about thalassocracy and sea adventures, the big ships of the ocean that won absolute maritime rule over great areas of the large open waters.
2. The sovereignty of the sea: England's thalassocracy was chiefly responsible for her once huge empire.