Factors
Entities
WhalingOttoman EmpireIce sheetNatural historyAncient GreeceGiza pyramid complexManhattan ProjectMediterranean SeaSouth AmericaIonizing radiationGreat Pyramid of GizaJ. Robert OppenheimerAdmiralPortuguese languageIndian OceanPhilosophyUniversity of CambridgeManuel I of PortugalAtlantic OceanX-rayNuclear powerMadagascarUraniumAntarcticaNazi GermanyIceBerlinNuclear weaponGlenn L. Martin CompanyIstanbulWorld War IIEarthAdolf HitlerSocial mediaRussian languageFranceTwitterFacebookChinaColonial BrazilCartographyMalay ArchipelagoFederal Foreign OfficeAirbus A340Maluku IslandsPortuguese EmpireElectricityAtlasChemistAzoresCompassNorwegian SeaNorthern EuropeAtomic bombings of Hiroshima and NagasakiSouthern Hemisphere

