Question: Which 1916 French document reinforces the belief that self-governed societies should be based on voluntary institutions?
Sentence (from "Manifesto of the Sixteen"): The Manifesto of the Sixteen (French: "Manifeste des seize" ), or Proclamation of the Sixteen, was a document drafted in 1916 by eminent anarchists Peter Kropotkin and Jean Grave which advocated an Allied victory over Germany and the Central Powers during the First World War.
Relevant evidence: Yes