Territorial waters -- Foreign relations -- 6 Maritime law -- 5 Boundaries -- 4 Emigration and immigration 4 International status 4 National security -- 4 more ... Security clearances -- 4 Territorial waters 4 Continental shelf -- 3 Economic zones (Maritime law) -- 3 Government publications -- 3 Internal security -- 3 Boundaries 2 Law of the sea -- 2 Maritime law 2 Shipping -- 2 Territory, National -- 2 Archipelagoes -- 1 Baselines (Maritime law) 1 Baselines (Maritime law) -- 1 Baselines (Maritime law) Mediterranean Region 1 Boundary disputes 1 Boundary disputes -- 1 Boundries -- 1 Cases 1 Coastwise shipping -- 1 Commerce 1 Congresses 1 Continential shelf 1 less ...