Nunavut — canada_east borders (3): Quebec, Saskatchewan, GreenlandNunavutSaskatchewan — canada_east borders (3): The Dakotas, 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 (4): Appalachia, The Carolinas, Missouri, CubaFloridaBaja California — mexico borders (1): SonoraBaja CaliforniaSonora — mexico borders (3): Baja California, Central Mexico, TexasSonoraCentral Mexico — mexico borders (3): Sonora, Texas, 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 (1): 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 (1): Puerto RicoThe Lesser Antilles