New England — usa_east borders (1): The Mid-Atlantic
New England
The Mid-Atlantic — usa_east borders (2): Appalachia, New England
The Mid-Atlantic
Appalachia — usa_east borders (3): The Carolinas, Florida, The Mid-Atlantic
Appalachia
The Carolinas — usa_east borders (2): Appalachia, Florida
The Carolinas
Florida — usa_east borders (3): Appalachia, The Carolinas, Cuba
Florida
Baja California — mexico borders (1): Sonora
Baja California
Sonora — mexico borders (2): Baja California, Central Mexico
Sonora
Central Mexico — mexico borders (2): Sonora, Yucatan
Central Mexico
Yucatan — mexico borders (2): Central Mexico, Cuba
Yucatan
Cuba — caribbean borders (4): Florida, Yucatan, Jamaica, Hispaniola
Cuba
Jamaica — caribbean borders (1): Cuba
Jamaica
Hispaniola — caribbean borders (2): Cuba, Puerto Rico
Hispaniola
Puerto Rico — caribbean borders (2): Hispaniola, The Lesser Antilles
Puerto Rico
The Lesser Antilles — caribbean borders (2): Puerto Rico, Venezuela
The Lesser Antilles
Colombia — andes borders (4): Amazonas, Ecuador, Peru, Venezuela
Colombia
Venezuela — andes borders (4): Amazonas, Colombia, Guyana, The Lesser Antilles
Venezuela
Ecuador — andes borders (2): Colombia, Peru
Ecuador
Peru — andes borders (5): Amazonas, Bolivia, Chile, Colombia, Ecuador
Peru
Bolivia — andes borders (5): Amazonas, Chile, Mato Grosso, Parana, Peru
Bolivia
Chile — andes borders (2): Bolivia, Peru
Chile
Guyana — amazonia borders (4): Amazonas, Para, Suriname, Venezuela
Guyana
Suriname — amazonia borders (2): Guyana, Para
Suriname
Amazonas — amazonia borders (7): Bolivia, Colombia, Guyana, Mato Grosso, Para, Peru, Venezuela
Amazonas
Para — amazonia borders (6): Amazonas, Bahia, Guyana, Mato Grosso, The Nordeste, Suriname
Para
The Nordeste — amazonia borders (2): Bahia, Para
The Nordeste
Bahia — brazil borders (4): Mato Grosso, Minas Gerais, The Nordeste, Para
Bahia
Minas Gerais — brazil borders (4): Bahia, Mato Grosso, Parana, Sao Paulo
Minas Gerais
Sao Paulo — brazil borders (2): Minas Gerais, Parana
Sao Paulo
Parana — brazil borders (4): Bolivia, Mato Grosso, Minas Gerais, Sao Paulo
Parana
Mato Grosso — brazil borders (6): Amazonas, Bahia, Bolivia, Minas Gerais, Para, Parana
Mato Grosso