When Leon Trotsky was murdered by NKVD agent Ramon Mercader in 1940, his ideas lived on. The Trotskyist Fourth International and the American Socialist Workers Party in particular claimed (though this was disputed by his widow Natalia) to be the inheritors of his beliefs. Trotsky’s critique of the USSR and its capitalist enemies stated that the Russian Revolution had effectively been killed in its infancy, and that instead a bureacratic state had replaced a revolutionary society. Some of Trotsky
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