@Radical_EgoCom In 1927 the contradictions of the NEP became undeniable as the peasants withheld grain. The "market" of the NEP was not providing any goods for which the peasants wanted to exchange their grain.
The crisis and swings in Stalin's political and economic policies that resulted are thoroughly documented in:
Bolsheviks against Stalinism 1928–1933: Leon Trotsky and the Left Opposition (Rogovin, 2019)
REVIEW:
https://www.wsws.org/en/articles/2019/12/21/rogo-d21.html
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