 Complete the following phrase:  The system had many faults, and opposition to Lenin and what many saw as his excessive centralisation policies came to the leaderships attention during the 8th Party Congress March 1919 and the 9th Party Congress March 1920. At the 9th Party Congress the Democratic Centralists, an opposition faction within the party, accused Lenin and his associates, of creating a Central Committee in which a small handful of party oligarchs ... was banning those who hold deviant views. Several delegates to the Congress were quite specific in the criticism, one of them accusing Lenin and his associates of making the Ukrainian Soviet Socialist Republic a place of exile for opponents. Lenin reply was evasive, he conceded that faults had been made, but noted that if such policies had in fact been carried out the criticism of him during the 9th Party Congress could not have occurred. During the 