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 (4): Alberta, Northwest Territories, Nunavut, OntarioSaskatchewanOntario — canada_east borders (5): Appalachia, 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): NunavutGreenlandNew 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 (4): The Carolinas, Florida, The Mid-Atlantic, OntarioAppalachiaThe Carolinas — usa_east borders (2): Appalachia, FloridaThe CarolinasFlorida — usa_east borders (3): Appalachia, The Carolinas, CubaFloridaBaja California — mexico borders (1): SonoraBaja CaliforniaSonora — mexico borders (2): Baja California, Central MexicoSonoraCentral Mexico — mexico borders (2): Sonora, YucatanCentral MexicoYucatan — mexico borders (3): Central Mexico, Guatemala, CubaYucatanGuatemala — 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 (2): Colombia, Costa RicaPanamaCuba — caribbean borders (4): Florida, Yucatan, Jamaica, HispaniolaCubaJamaica — caribbean borders (1): CubaJamaicaHispaniola — caribbean borders (2): Cuba, Puerto RicoHispaniolaPuerto Rico — caribbean borders (2): Hispaniola, The Lesser AntillesPuerto RicoThe Lesser Antilles — caribbean borders (2): Puerto Rico, VenezuelaThe Lesser AntillesColombia — andes borders (4): Ecuador, Panama, Peru, VenezuelaColombiaVenezuela — andes borders (2): Colombia, The Lesser AntillesVenezuelaEcuador — andes borders (2): Colombia, PeruEcuadorPeru — andes borders (4): Bolivia, Chile, Colombia, EcuadorPeruBolivia — andes borders (2): Chile, PeruBoliviaChile — andes borders (2): Bolivia, PeruChile