Columbia subject headings:
Competition, International.
Economic zones (Law of the sea)--United States.
Merchant marine--United States.
Shipping--United States.
Harvard subject headings:
Competition, International
Economic zones (Law of the sea)--United States.
Merchant marine--United States
Shipping--United States
Princeton subject headings:
Competition, International.
Economic zones (Law of the sea)--United States.
Merchant marine--United States.
Shipping--United States.