This type of draconian measures was indeed the result of preparations one of several international ministers from Argentina, Brazil, Chile, Mexico, the us, Uruguay, and you can Venezuela for the conferences when you look at the Rio de Janeiro. To strengthen the security of all the Northern and you will South america, nevertheless they recommended (1) the fresh incarceration away from risky challenger aliens, (2) preventing the new descendants off enemy nationals to discipline the liberties regarding citizenship doing things like criticize the government, (3) the newest control out-of all over the world travel of the opponent aliens in addition to their family members, and you can (4) preventing every serves out-of possible political aggression of the challenger aliens, particularly espionage, sabotage, and you can subversive propaganda (Gardiner 1981: 17).