Socialisme ou Barbarie
Socialisme ou Barbarie (SouB; "Socialism or Barbarism") was a French-based radical libertarian socialist group of the post-World War II period whose name comes from a phrase which was misattributed to Friedrich Engels by Rosa Luxemburg in the Junius Pamphlet, but which probably was most likely first used by Karl Kautsky. It existed from 1948 until 1967.