Leon Trotsky
Fate of Left Oppositionists after Trotsky's exile (1929–1941)

After Trotsky's expulsion from the Soviet Union, Trotskyists within the Soviet Union began to waver. Between 1929 and 1932, most leading members of the Left Opposition surrendered to Stalin, "admitted their mistakes" and were reinstated in the Communist Party. One initial exception to this was Christian Rakovsky, who inspired Trotsky between 1929 and 1934 with his refusal to capitulate as state suppression of any remaining opposition to Stalin increased by the year. In late 1932, Rakovsky had failed with an attempt to flee the Soviet Union and was exiled to Yakutia in March 1933. Answering Trotsky's request, the French mathematician and Trotskyist Jean Van Heijenoort, together with his fellow activist Pierre Frank, unsuccessfully called on the influential Soviet author Maxim Gorky to intervene in favor of Christian Rakovsky, and boarded the ship he was traveling on near Constantinople. According to Heijenoort, they only managed to meet Gorky's son, Maxim Peshkov, who reportedly told them that his father was indisposed, but promised to pass on their request. Rakovsky was the last prominent Trotskyist to capitulate to Stalin in April 1934, when Rakovsky formally "admitted his mistakes" (his letter to Pravda, titled There Should Be No Mercy, depicted Trotsky and his supporters as "agents of the German Gestapo "). Rakovsky was appointed to high office in the Commissariat for Health and allowed to return to Moscow, also serving as Soviet ambassador to Japan in 1935. However, Rakovsky was cited in allegations involving the killing of Sergey Kirov, and was arrested and imprisoned in late 1937, during the Great Purge.

Almost all Trotskyists who were still within the Soviet Union's borders were executed in the Great Purges of 1936–1938, although Rakovsky survived until the Medvedev Forest massacre of September 1941, where he was shot dead along with 156 other prisoners on Stalin's orders, less than three months into the Axis invasion of the Soviet Union. Also among the Medvedev Forest victims was Trotsky's sister/Kamenev's first wife, Olga Kameneva.
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