This is the dawning of the Age of Colossus (where peace is compulsory... freedom is forbidden... and Man's greatest invention could be Man's greatest mistake).
Colossus: The Forbin Project (originally released as Colossus) is a 1970 American science-fiction thriller film from Universal Pictures, produced by Stanley Chase, directed by Joseph Sargent, starring Eric Braeden, Susan Clark, Gordon Pinsent, and William Schallert. It is based upon the 1966 science-fiction novel Colossus by Dennis Feltham Jones.