 In mid-1926, Kamenev and Zinoviev joined with Trotsky's supporters to form the United Opposition against Stalin; in October they agreed to stop factional activity under threat of expulsion, and later publicly recanted their views under Stalin's command.The factionalist arguments continued, with Stalin threatening to resign in October and then December 1926 and again in December 1927.In October 1927, Zinoviev and Trotsky were removed from the Central Committee; the latter was exiled to Kazakhstan and later deported from the country in 1929.