The statement that Pinochet was a fascist is true because he took power with the aid of the CIA and killed Allende and repressed his people with the police and military with heinous crimes like slitting their stomachs and throwing them into the ocean from helicopters and torturing them for their political views. He disappeared many men who were of progressive politics.
The first amendment of the United States Constitution allows the practice of religion. Freedom of religion is the right to be able to practice ones religion they chose fit.
The U.S. not only joined the UN but they followed a new policy away from Isolationism and were now protectors of the world rather than separated from it
