The region does have a history of small buffer states (Paraguay, Uruguay), and the Riograndense Republic lasted 9 years and had a Constitution.
What does it take for Brazil to accept the separation? Is foreign (Argentinian or Paraguayan) support for the republic enough (or even feasible)?
What does it take for Brazil to accept the separation? Is foreign (Argentinian or Paraguayan) support for the republic enough (or even feasible)?