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 (6): Alaska, Alberta, Cascadia, Northwest Territories, The Rockies, YukonBritish ColumbiaAlberta — canada_west borders (4): British Columbia, Northwest Territories, The Rockies, SaskatchewanAlbertaNunavut — canada_east borders (4): Northwest Territories, Quebec, Saskatchewan, GreenlandNunavutSaskatchewan — canada_east borders (6): Alberta, The Dakotas, Northwest Territories, Nunavut, Ontario, The RockiesSaskatchewanOntario — 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): NunavutGreenlandCascadia — usa_west borders (4): British Columbia, California, The Great Basin, The RockiesCascadiaCalifornia — usa_west borders (4): Baja California, Cascadia, The Great Basin, The SouthwestCaliforniaThe Great Basin — usa_west borders (4): California, Cascadia, The Rockies, The SouthwestThe Great BasinThe Southwest — usa_west borders (6): Baja California, California, The Great Basin, The Rockies, Sonora, TexasThe SouthwestThe Rockies — usa_west borders (9): Alberta, British Columbia, Cascadia, The Dakotas, The Great Basin, Nebraska, Saskatchewan, The Southwest, TexasThe RockiesThe Dakotas — usa_central borders (6): The Great Lakes, Missouri, Nebraska, Ontario, The Rockies, SaskatchewanThe DakotasNebraska — usa_central borders (4): The Dakotas, Missouri, The Rockies, TexasNebraskaMissouri — usa_central borders (6): Appalachia, The Dakotas, Florida, The Great Lakes, Nebraska, TexasMissouriTexas — usa_central borders (6): Central Mexico, Missouri, Nebraska, The Rockies, Sonora, The SouthwestTexasThe 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 (3): California, Sonora, The SouthwestBaja CaliforniaSonora — mexico borders (4): Baja California, Central Mexico, The Southwest, 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 (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