Alaska — canada_west borders (2): British Columbia, YukonAlaskaYukon — canada_west borders (3): Alaska, British Columbia, Northwest TerritoriesYukonNorthwest Territories — canada_west borders (3): Alberta, British Columbia, YukonNorthwest TerritoriesBritish Columbia — canada_west borders (6): Alaska, Alberta, Cascadia, Northwest Territories, The Rockies, YukonBritish ColumbiaAlberta — canada_west borders (3): British Columbia, Northwest Territories, The RockiesAlbertaCascadia — 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 (8): Alberta, British Columbia, Cascadia, The Dakotas, The Great Basin, Nebraska, The Southwest, TexasThe RockiesThe Dakotas — usa_central borders (4): The Great Lakes, Missouri, Nebraska, The RockiesThe 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 (3): Appalachia, The Dakotas, MissouriThe Great LakesNew England — usa_east borders (1): The Mid-AtlanticNew EnglandThe Mid-Atlantic — usa_east borders (2): Appalachia, New EnglandThe Mid-AtlanticAppalachia — usa_east borders (5): The Carolinas, Florida, The Great Lakes, The Mid-Atlantic, MissouriAppalachiaThe Carolinas — usa_east borders (2): Appalachia, FloridaThe CarolinasFlorida — usa_east borders (3): Appalachia, The Carolinas, MissouriFloridaBaja 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 (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