Leon Trotsky politically marginalised by Stalinism, Trotsky continued to argue for a united front against fascism in Germany and Spain. According to Joseph Choonara of the British Socialist Workers Party in "International Socialism", his articles on the united front represent an important part of his political legacy. Leon Trotsky Leon Trotsky (; born Lev Davidovich Bronstein; – 21 August 1940) was a Russian revolutionary, Marxist theorist, and Soviet politician whose particular strain of Marxist thought is known as Trotskyism. Initially supporting the Menshevik Internationalists faction within the Russian Social Democratic Labour Party, he joined the Bolsheviks ("majority") just before the 1917 October
David Bronstein pressure. In his final book, published in 2007, shortly after his death, Bronstein went further and alleged that he and Keres were pressured to draw their games with Smyslov, in order to ensure that Smyslov would win ahead of Reshevsky (see World Chess Championship 1954#Allegations of Soviet collusion). It is sometimes further alleged that Smyslov was favoured over Bronstein and Keres because he was Russian and they were not (Jewish-Ukrainian and Estonian respectively). The 1953 Candidates result qualified him directly for the 1955 Gothenburg Interzonal, which he won with an unbeaten score. From there it was on to another near