EntityQ7129487· pop 5· linked from 9 articlesPan-American Security ZoneSign in to saveConnectionsIcelandCountryWorld War IIConceptFranklin D. RooseveltPersonInternational Standard Book NumberEntitylongitudeEntityOrganization of American StatesEntityUnited States NavyEntityneutral countryEntityKriegsmarineEntityAdmiral Graf SpeeEntityU-boatEntityBattle of the River PlateEntityconvoyEntityplaintextEntityPanama ConferenceEntityNeutrality PatrolEntityCategories1939 establishments in North America1939 establishments in the United StatesAmerican theater of World War IIBattle of the AtlanticCaribbean Sea operations of World War II