The totalising ideas, institutions and practices of Marxism-Leninism had a profound impact on the political far right. The one-party, one-ideology state, with its disregard for law, constitution and popular consent was implanted in inter-war Italy and Germany. Neither Mussolini nor Hitler acted only in response to communism; and the forced submission of society to comprehensive control took different forms in the USSR, Italy and Germany. But the importance of precedent is scarcely deniable.
From Comrades – Communism: A World History by Robert Service