Instead of demonstrating strength, Brazil revealed military weakness that an emboldened Paraguay sought to exploit. From the Argentine viewpoint, most of Bartolomé Mitre's expectations were frustrated by the war's outcome. He had succeeded in bringing to power his friend and ally, but the minimal risk and cost to Argentina he had envisioned at the outset proved to be illusory. The resulting attack by Paraguay on Brazilian and Argentine provinces sparked the long and devastating Paraguayan War. Notes References Bibliography External links Military history of Brazil Wars involving Brazil Wars involving Uruguay History of South America Conflicts in 1864 Conflicts in 1865 Brazil–Uruguay relations Argentina–Uruguay relations