Alaska — canada_west borders (2): British Columbia, YukonAlaskaYukon — canada_west borders (3): Alaska, British Columbia, Northwest TerritoriesYukonNorthwest Territories — canada_west borders (5): Alberta, British Columbia, Nunavut, Saskatchewan, YukonNorthwest TerritoriesBritish Columbia — canada_west borders (4): Alaska, Alberta, Northwest Territories, YukonBritish ColumbiaAlberta — canada_west borders (3): British Columbia, Northwest Territories, SaskatchewanAlbertaNunavut — canada_east borders (4): Northwest Territories, Quebec, Saskatchewan, GreenlandNunavutSaskatchewan — canada_east borders (5): Alberta, The Dakotas, Northwest Territories, Nunavut, OntarioSaskatchewanOntario — canada_east borders (7): Appalachia, The Dakotas, The Great Lakes, The Mid-Atlantic, New England, Quebec, SaskatchewanOntarioQuebec — canada_east borders (4): The Maritimes, New England, Nunavut, OntarioQuebecThe Maritimes — canada_east borders (2): New England, QuebecThe MaritimesGreenland — canada_east borders (1): NunavutGreenlandThe Dakotas — usa_central borders (5): The Great Lakes, Missouri, Nebraska, Ontario, SaskatchewanThe DakotasNebraska — usa_central borders (3): The Dakotas, Missouri, TexasNebraskaMissouri — usa_central borders (6): Appalachia, The Dakotas, Florida, The Great Lakes, Nebraska, TexasMissouriTexas — usa_central borders (4): Central Mexico, Missouri, Nebraska, SonoraTexasThe Great Lakes — usa_central borders (4): Appalachia, The Dakotas, Missouri, OntarioThe Great LakesNew England — usa_east borders (4): The Maritimes, The Mid-Atlantic, Ontario, QuebecNew EnglandThe Mid-Atlantic — usa_east borders (3): Appalachia, New England, OntarioThe Mid-AtlanticAppalachia — usa_east borders (6): The Carolinas, Florida, The Great Lakes, The Mid-Atlantic, Missouri, OntarioAppalachiaThe Carolinas — usa_east borders (2): Appalachia, FloridaThe CarolinasFlorida — usa_east borders (3): Appalachia, The Carolinas, MissouriFloridaBaja California — mexico borders (1): SonoraBaja CaliforniaSonora — mexico borders (3): Baja California, Central Mexico, TexasSonoraCentral Mexico — mexico borders (3): Sonora, Texas, YucatanCentral MexicoYucatan — mexico borders (2): Central Mexico, GuatemalaYucatanGuatemala — central_america borders (2): Honduras, YucatanGuatemalaHonduras — central_america borders (2): Guatemala, NicaraguaHondurasNicaragua — central_america borders (2): Costa Rica, HondurasNicaraguaCosta Rica — central_america borders (2): Nicaragua, PanamaCosta RicaPanama — central_america borders (1): Costa RicaPanama