"This truly revolutionary measure [...] wasn't well received by large> numbers of workers, proving, unfortunately that their understanding of> the scope of collectivization was very limited. Only a minority> understood that collectivization meant a return to society of what,> historically, had been appropriated by the capitalists."

Forced collectivization was justified [..] by a reasoning closer> to war communism than to libertarian communism [...]

He [Fraser] quotes Macario Royo, an Aragonese CNT leader who speaks with> startling frankness:> To establish libertarian communism means making the revolution.> Revolutions are made by force. Everything that is imposed by > force has to be maintained by force. The outcome may be> communism but it is not libertarian. If it were, it would not> be communist, for the simple reason that the mass of the people > are not communist.
http://struggle.ws/anarchism/writers/anarcho/history/spain/jamesquotes.html