Atlantic Ocean is the answer.
Paraguay borders only Brazil and Argentina.
Three countries can be said to border Brazil and Argentina, they are Bolivia, Paraguay and Uruguay.
There is sea on the east side of Argentina. Uruguay borders to the north east.
mountains
Argentina
Argentina
Argentina and Chile have a common border.
Paraguary is the country bordering Argentina to the north.
Argentina is a big country, so it has very long land and sea borders.
Paraguay, Brazil, Bolivia, Uruguay and Chile share borders with Argentina.
Yes, Chile is on Argentina's western border.
Bolivia.