John Rodden points out the "undeniable conservative features in the Orwell physiognomy" and remarks on how "to some extent Orwell facilitated the kinds of uses and abuses by the Right that his name has been put to. In other ways there has been the politics of selective quotation." Rodden refers to the essay "Why I Write", in which Orwell refers to the Spanish Civil War as being his "watershed political experience", saying: "The Spanish War and other events in 1936–37, turned the scale. Thereafter I knew where I stood. Every line of serious work that I have written since 1936 has been written directly or indirectly against totalitarianism and "for" Democratic Socialism as I understand it." (emphasis in original) Rodden goes on to explain how, during the McCarthy era, the introduction to the Signet edition of "Animal Farm", which sold more than 20 million copies, makes use of "the politics of ellipsis":