 Complete the following phrase:  During the Civil War he was active in organising the defence of Kazan against the Whites in August 1918 and liquidating opposition after they had been driven out. He was also instrumental in ensuring that the Bashkir people, led by Zeki Velidi Togan, joined the Bolshevik side which weakened the military potential of Kolchaks army. His knowledge of national movements in the East won him the trust of Stalin and other highly placed Party and government figures. Sultan-Galiev carried out many tasks on the personal orders of Stalin. In April 1919 he again was rushed to the 