With the resignation of Trotsky as War Commissar, the unity of the troika began to unravel. Zinoviev and Kamenev again began to fear Stalin's power and felt that their positions were threatened. Stalin moved to form an alliance with Bukharin and his allies on the right of the party who supported the New Economic Policy and encouraged a slowdown in industrialization efforts and a move towards encouraging the peasants to increase production via market incentives. Zinoviev and Kamenev criticized this policy as a return to capitalism. The conflict erupted at the Fourteenth Party Congress held in December 1925 with Zinoviev and Kamenev now protesting against the dictatorial policies of Stalin and trying to revive the issue of Lenin's Testament which they had previously buried. Stalin now used Trotsky's previous criticisms of Zinoviev and Kamenev to defeat and demote them and bring in allies like Vyacheslav Molotov, Kliment Voroshilov and Mikhail Kalinin. Trotsky was dropped from the politburo entirely in 1926. The Fourteenth Congress also saw the first developments of the Stalin's cult of personality with him being referred to as "leader" for the first time and becoming the subject of effusive praise from delegates.