Complete the following sentence: Cherepanov returned to the Soviet Union in 1927, following Sun's death in 1925 and subsequent breakdown in Sino-Soviet relations with the Kuomintang's new leader, Chiang Kai-shek. Complete the following sentence: Cherepanov returned to the Soviet Union in 1927, following Sun's death in 1925 and subsequent breakdown in Sino-Soviet relations with the Kuomintang's new leader, Chiang Kai-shek. (<unk>) <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> <unk> e<unk>panov<unk>e<unk>panov<unk>e<unk>
1929 Soviet intervention in Inner Manchuria as commander of the Red Army's 39th Rifle Division in the Soviet Far East.