He joined the Russian Social Democratic Labor Party ( RSDLP ) in 1901 and its Bolshevik faction when the party split into Bolsheviks and Mensheviks in August 1903 .
Kamenev was born in Moscow , the son of a Jewish railway worker and a Russian Orthodox housewife .
Kamenev joined the Russian Social Democratic Labor Party ( RSDLP ) in 1901 and its Bolshevik faction when the party split into Bolsheviks and Mensheviks in August 1903 .
Kamenev was born in Moscow , the son of a Jewish railway worker and a Russian Orthodox housewife .