 Complete the following phrase:  In 1962, Nazarbayev joined the Communist Party of the Soviet Union CPSU where he was prominent member of the Komsomol and a full-time worker for the party. From 1984, Nazarbayev was the Prime Minister of the Kazakh SSR. During his tenure, he was appointed as the Chairman of the Communist Party of Kazakhstan QKP in 1989. In April 1990, Nazarbayev became the first president of Kazakhstan by the Supreme Soviet. From there, he supported Russian President Boris Yeltsin against the attempted coup in 