You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
Anarchist Catalonia. It's generally agreed here that the most direct reason for their loss was that they were back-stabbed by the Communists.
What if the Anarchists hadn't joined with the Republican government and thereby put themselves in a position to be back-stabbed? Or if they had broke completely with the Communists after the Barcelona May Days?